{"title":"Platinum","description":"","products":[{"product_id":"platinum-curidas-knock-type-fountain-pen","title":"Platinum Curidas Knock-Type Fountain Pen","description":"\u003cp\u003ePlatinum Curidas Knock-Type Fountain Pen\u003c\/p\u003e\n\u003cp\u003eThe Platinum Curidas Knock-Type Fountain Pen offers a modern take on convenience and style, combining innovative design with reliable performance.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003eStainless Steel Nib: Features a durable stainless steel nib for a smooth and consistent writing experience.\u003c\/p\u003e\n\u003cp\u003eKnock-Type Mechanism: Innovative retractable design protects the nib while eliminating the need for a cap, ensuring easy one-handed operation.\u003c\/p\u003e\n\u003cp\u003eTransparent Body: Allows users to monitor ink levels while showcasing the pen's inner mechanics.\u003c\/p\u003e\n\u003cp\u003eLightweight and Ergonomic: Crafted for comfort, making it suitable for extended writing sessions.\u003c\/p\u003e\n\u003cp\u003eSpecifications    Details\u003cbr\u003eMeasurements    L153mm\u003cbr\u003eMaterial    Body: Resin; Grip: Resin; Clip: Metal\u003cbr\u003eNib Material    Stainless Steel\u003cbr\u003e\u003c\/p\u003e","brand":"PLATINUM","offers":[{"title":"Grand Red \/ 0.28mm EF","offer_id":51572954792241,"sku":"PKN-7000C-1","price":105.0,"currency_code":"USD","in_stock":true},{"title":"Grand Red \/ 0.38mm F","offer_id":51572961018161,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true},{"title":"Grand Red \/ 0.5mm M","offer_id":51572961050929,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true},{"title":"Prism Crystal \/ 0.28mm EF","offer_id":51572954825009,"sku":"PKN-7000C-2","price":105.0,"currency_code":"USD","in_stock":true},{"title":"Prism Crystal \/ 0.38mm F","offer_id":51572961083697,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true},{"title":"Prism Crystal \/ 0.5mm M","offer_id":51572961116465,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true},{"title":"Graphite Smoke \/ 0.28mm EF","offer_id":51572954857777,"sku":"PKN-7000C-3","price":105.0,"currency_code":"USD","in_stock":true},{"title":"Graphite Smoke \/ 0.38mm F","offer_id":51572961149233,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true},{"title":"Graphite Smoke \/ 0.5mm M","offer_id":51572961182001,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true},{"title":"Urban Green \/ 0.28mm EF","offer_id":51572954890545,"sku":"PKN-7000C-4","price":105.0,"currency_code":"USD","in_stock":true},{"title":"Urban Green \/ 0.38mm F","offer_id":51572961214769,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true},{"title":"Urban Green \/ 0.5mm M","offer_id":51572961247537,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true},{"title":"Abyss Blue \/ 0.28mm EF","offer_id":51572954923313,"sku":"PKN-7000C-5","price":105.0,"currency_code":"USD","in_stock":true},{"title":"Abyss Blue \/ 0.38mm F","offer_id":51572961280305,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true},{"title":"Abyss Blue \/ 0.5mm M","offer_id":51572961313073,"sku":null,"price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01oMxtEI1xZojjWhvqo__2217680676458.webp?v=1750928167"},{"product_id":"platinum-oleenu-mechanical-pencil-0-5mm-mols-450","title":"Platinum OLEeNU Mechanical Pencil 0.5mm MOLS-450","description":"\u003cp\u003ePlatinum OLEeNU Mechanical Pencil 0.5mm MOLS-450\u003c\/p\u003e\n\u003cp\u003e● Tip - 0.5mm Lead\u003cbr\u003e● Base Material - MS Resin\u003cbr\u003e● Size - Length: 150mm、Max diameter: 10mm\u003cbr\u003e● Weight - 9g\u003cbr\u003e● Eraser - 100CN\u003c\/p\u003e","brand":"PLATINUM","offers":[{"title":"Grey","offer_id":51573512864049,"sku":"MOLS-450C-1","price":14.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":51573512896817,"sku":"MOLS-450C-2","price":14.0,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":51573512929585,"sku":"MOLS-450C-3","price":14.0,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":51573512962353,"sku":"MOLS-450C-4","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01TdIFsE1XQ1wgpK57U__2200533992917.webp?v=1750943966"},{"product_id":"platinum-preppy-fountain-pen-with-ink-cartridge-and-converter","title":"Platinum Preppy Fountain Pen with Ink Cartridge and Converter","description":"\u003ch2\u003ePlatinum Preppy Fountain Pen EF 02\/ F 03 Nib\u003c\/h2\u003e\n\u003cp\u003eSince its launch in 2007, Platinum's Preppy fountain pen has become one of the most popular entry level fountain pens available today with 10 million pens sold worldwide! It's easy to see why this is a popular choice as a first fountain pen for so many. With its approachable, friendly and colorful design, and Platinum's own \"Slip and Seal Mechanism\" that employs a spring in the cap to force an air tight closure around the nib, thus preventing ink from drying out in this fountain pen for up to a year, this pen is a logical choice for students and for anyone who might be curious about fountain pens but worried about having to deal with fountain pen maintenance. Preppy is easy to write with, comfortable to hold and low pressure for a first time fountain pen user.\u003c\/p\u003e\n\u003cp\u003eLength: 5.4 in (13.8 cm) \u003cbr\u003eNib size: EF 0.3mm \/ F 0.5mm\u003cbr\u003eStainless steel nib \u003cbr\u003eSpring loaded snap cap prevents ink from drying out\u003cbr\u003eBlack ink cartridge and converter included\u003c\/p\u003e","brand":"TTpen","offers":[{"title":"Black","offer_id":51784754135345,"sku":"PSQ300C-1","price":13.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":51784754168113,"sku":"PSQ300C-2","price":13.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":51784754200881,"sku":"PSQ300C-3","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/Platinum-Preppy-Fountain-Pen5.jpg?v=1756571103"},{"product_id":"platinum-prefounte-fountain-pen-03-fine","title":"Platinum Prefounte Fountain Pen - 03 Fine","description":"\u003ch2\u003ePlatinum Prefounte Fountain Pen - 03 Fine PPF-800C\u003c\/h2\u003e\n\u003cp\u003eA stylish step up from the phenomenally popular Preppy, the Platinum Prefounte is a chic and affordable writing instrument that fountain pen beginners and experts alike will love.\u003cbr\u003eLike the Preppy, it features a conveniently portable design, a remarkably smooth and consistent steel nib, and Platinum's patented \"Slip and Seal\" cap design that keeps the nib from drying out for a year or longer without use. It also features an improved metal clip, tastefully subdued branding, and a colorful translucent body made from impact-resistant polycarbonate resin.\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cp\u003eSteel nib.\u003cbr\u003eTranslucent polycarbonate body.\u003cbr\u003eSlip and Seal cap that prevents dryout for a year or longer.\u003cbr\u003e1 blue black ink cartridge.\u003c\/p\u003e","brand":"TTpen","offers":[{"title":"Orange","offer_id":51784793653553,"sku":"PPF-800C-1","price":14.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":51784793686321,"sku":"PPF-800C-2","price":14.0,"currency_code":"USD","in_stock":true},{"title":"Night Sea","offer_id":51784793719089,"sku":"PPF-800C-3","price":14.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":51784793751857,"sku":"PPF-800C-4","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/Platinum-Prefounte-Fountain-Pen.jpg?v=1756572030"},{"product_id":"platinum-plaisir-fountain-pen-fine-nib-pgb-1000","title":"Platinum Plaisir Fountain Pen Fine Nib,PGB-1000","description":"\u003ch2\u003ePlatinum Plaisir Fountain Pen Fine Nib,PGB-1000\u003c\/h2\u003e\n\u003cp\u003eThe Platinum Plaisir takes the beloved Preppy fountain pen nib and pairs it with a comfortably smooth and voluminous aluminum body for rugged, everyday use. The pen also features Platinum's patented \"Slip and Seal\" cap design that keeps the nib from drying out for a year or longer without use.\u003cbr\u003eThis fountain pen features a blasted matte black finish inspired by Platinum Pen's corporate color, celebrating Platinum's 100th anniversary.\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003cbr\u003eSturdy yet lightweight aluminum body.\u003cbr\u003eSilky, scratch-resistant anodized finish.\u003cbr\u003e\"Slip and Seal\" cap mechanism that keeps the nib from drying out for a year or longer without use. (Other pens can dry out in less than a month without use.)\u003cbr\u003eOne black ink cartridge.\u003c\/p\u003e","brand":"PLATINUM","offers":[{"title":"Black","offer_id":51785825648945,"sku":"PGB-1000C-1","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":51785825681713,"sku":"PGB-1000C-2","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":51785825714481,"sku":"PGB-1000C-3","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Sky Blue","offer_id":51785825747249,"sku":"PGB-1000C-4","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":51785825780017,"sku":"PGB-1000C-5","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":51785825812785,"sku":"PGB-1000C-6","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Purple","offer_id":51785825845553,"sku":"PGB-1000C-7","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":51785825878321,"sku":"PGB-1000C-8","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":51785825911089,"sku":"PGB-1000C-9","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/51oPmIMlyAL._SL1002.jpg?v=1756625062"},{"product_id":"platinum-procyon-fountain-pen-pns-500","title":"Platinum Procyon Fountain Pen - PNS-500","description":"\u003ch2\u003ePlatinum Procyon Fountain Pen - PNS-500\u003c\/h2\u003e\n\u003cp\u003eNamed for one of the brightest stars in the night sky, the Platinum Procyon pen is designed to brighten your writing experience with its sleek body, convenient filling mechanism, and smooth nib. It was the winner of the ISOT 2019 grand prize for functionality.\u003cbr\u003eThe Procyon features Platinum's patented \"Slip and Seal\" cap design that keeps the nib from drying out for a year or longer without use. This makes it ideal for new fountain pen users and people who like to switch pens frequently.\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003cbr\u003eSubtly sparkling aluminum body with chrome-plated brass accents.\u003cbr\u003eSmooth stainless steel nib.\u003cbr\u003eSlip and Seal cap that prevents dryout for over a year without use.\u003cbr\u003eInnovative feed mechanism that requires the nib to only be submerged up to the breather hole when filling with bottled ink. This helps avoid messes and lets you use all of the ink in the bottle.\u003cbr\u003eOne blue-black ink cartridge.\u003cbr\u003ePlatinum gift box. The gift box may vary from the one pictured.\u003c\/p\u003e","brand":"PLATINUM","offers":[{"title":"Dark Blue \/ Medium","offer_id":51785911042353,"sku":"PNS-500C-1","price":72.0,"currency_code":"USD","in_stock":true},{"title":"Dark Blue \/ Fine","offer_id":51785911075121,"sku":"PNS-500C-2","price":72.0,"currency_code":"USD","in_stock":true},{"title":"White \/ Medium","offer_id":51785911107889,"sku":"PNS-500C-3","price":72.0,"currency_code":"USD","in_stock":true},{"title":"White \/ Fine","offer_id":51785911140657,"sku":"PNS-500C-4","price":72.0,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Medium","offer_id":51785911173425,"sku":"PNS-500C-5","price":72.0,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Fine","offer_id":51785911206193,"sku":"PNS-500C-6","price":72.0,"currency_code":"USD","in_stock":true},{"title":"Orange \/ Medium","offer_id":51785911238961,"sku":"PNS-500C-7","price":72.0,"currency_code":"USD","in_stock":true},{"title":"Orange \/ Fine","offer_id":51785911271729,"sku":"PNS-500C-8","price":72.0,"currency_code":"USD","in_stock":true},{"title":"Turquoise \/ Medium","offer_id":51785911304497,"sku":"PNS-500C-9","price":72.0,"currency_code":"USD","in_stock":true},{"title":"Turquoise \/ Fine","offer_id":51785911337265,"sku":"PNS-500C-10","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01Ghy51C1xZojm4BdUI__2217680676458.webp?v=1756628304"},{"product_id":"japan-platinum-hot-wheels-limited-edition-pens-set","title":"Japan Platinum × Hot Wheels Limited Edition Pens Set","description":"\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eJapan Platinum × Hot Wheels Limited Edition Set – Fountain Pen + 5 Ballpoint Pens in Blue Flame Mini Toolbox Gift Case\u003c\/strong\u003e\u003c\/section\u003e\n\u003chr\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/section\u003e\n\u003csection class=\"ybc-p\"\u003eUnleash your passion for style and performance with the exclusive \u003cstrong\u003eJapan Platinum × Hot Wheels Limited Edition Writing Set\u003c\/strong\u003e. This premium collection combines the precision of Japanese craftsmanship with the iconic speed-inspired design of Hot Wheels, making it the perfect gift for collectors, writers, and car enthusiasts alike.\u003c\/section\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eSet Includes:\u003c\/strong\u003e\u003c\/section\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003e1 Japan Platinum Fountain Pen\u003c\/strong\u003e – Smooth, reliable writing with a sleek, aerodynamic silhouette inspired by Hot Wheels racing cars.\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003e5 High-Quality Ballpoint Pens\u003c\/strong\u003e – Vibrant ink colors for everyday use, each featuring subtle automotive design accents.\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eBlue Flame Mini Toolbox Gift Box\u003c\/strong\u003e – A collectible metal case with a striking blue flame motif, doubling as stylish storage or display.\u003c\/section\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/section\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003eLimited edition collaboration between two legendary brands\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003eElegant and functional design inspired by motorsport aesthetics\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003eIdeal for gifting, personal use, or adding to your pen collection\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003eCompact and portable – perfect for on-the-go creativity\u003c\/section\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"ybc-p\"\u003eExperience the thrill of the ride every time you write. Whether you’re signing important documents, journaling, or simply enjoying the feel of a quality pen, this set delivers both performance and personality.\u003c\/section\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eLimited stock available – order now to secure your piece of this unique Japan Platinum × Hot Wheels collaboration.\u003c\/strong\u003e\u003c\/section\u003e","brand":"PLATINUM","offers":[{"title":"Default Title","offer_id":52244878393649,"sku":"POD6BMB","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01xiAo4r1XQ2QPW7YNd__4611686018427381205-0-item_pic.jpg_q50.jpg_d00f56b2-65c0-47ac-b8f4-305e2020f9ec.webp?v=1766737934"},{"product_id":"platinum-pod-5-matcha-needle-tip-3-pens-with-2-refills","title":"PLATINUM POD-5 Matcha Needle Tip 3 Pens with 2 Refills","description":"\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eJapan PLATINUM POD-5 Western Café Matcha Series 0.5mm Needle Tip Press-Type Ballpoint Pen Set – 3 Pens + 2 Refills\u003c\/strong\u003e\u003c\/section\u003e\n\u003chr\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eProduct Description:\u003c\/strong\u003e\u003c\/section\u003e\n\u003csection class=\"ybc-p\"\u003eAdd a touch of elegance to your writing experience with the \u003cstrong\u003eJapan PLATINUM POD-5 Western Café Matcha Series Ballpoint Pen Set\u003c\/strong\u003e. Inspired by the calm and refined atmosphere of a matcha café, this beautifully designed pen set brings together Japanese precision and stylish aesthetics.\u003c\/section\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eSet Includes:\u003c\/strong\u003e\u003c\/section\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003e3 PLATINUM POD-5 Ballpoint Pens\u003c\/strong\u003e with 0.5mm needle tip for ultra-smooth, precise writing\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003e2 Extra Refills\u003c\/strong\u003e – always ready to keep you writing without interruption\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003eElegant matcha-themed design that evokes the warmth of a western-style café\u003c\/section\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/section\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eNeedle Tip (0.5mm)\u003c\/strong\u003e – Delivers fine, consistent lines ideal for detailed notes, sketches, or daily writing\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003ePress-Type Mechanism\u003c\/strong\u003e – Easy one-handed operation for convenience on the go\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eRefillable Design\u003c\/strong\u003e – Eco-friendly and economical with included spare refills\u003c\/section\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eStylish Exterior\u003c\/strong\u003e – Matcha-inspired color scheme blends vintage café charm with modern functionality\u003c\/section\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"ybc-p\"\u003ePerfect for students, professionals, or anyone who appreciates high-quality stationery with a unique theme. The PLATINUM POD-5 offers a comfortable grip, smooth ink flow, and a design that stands out whether on your desk or in your bag.\u003c\/section\u003e\n\u003csection class=\"ybc-p\"\u003e\u003cstrong\u003eMake your writing moments special — order your PLATINUM POD-5 Matcha Series pen set today!\u003c\/strong\u003e\u003c\/section\u003e","brand":"PLATINUM","offers":[{"title":"Default Title","offer_id":52244920959281,"sku":"POD25MC","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/PLATINUM-POD5-BALLPOINT-PEN.jpg?v=1766739070"},{"product_id":"japan-platinum-rabbit-series-pocket-fountain-pen","title":"Japan Platinum Rabbit Series Pocket Fountain Pen","description":"\u003cdiv class=\"ybc-p\"\u003eJapan Platinum Rabbit Series Pocket Short Fountain Pen – Macaron Color Barrel, 120mm Length\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ybc-p\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ybc-p\"\u003eDiscover the charm of Japanese stationery with the Platinum Rabbit Series pocket short fountain pen. Designed for portability and style, this compact pen measures just 120mm in length, making it easy to carry in pockets, pencil cases, or small bags.\u003c\/div\u003e\n\u003cdiv class=\"ybc-p\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ybc-p\"\u003eThe smooth stainless steel nib provides a comfortable writing experience, while the lightweight yet durable barrel comes in lovely macaron colors — soft pastels that add a playful, elegant touch to your daily writing routine.\u003c\/div\u003e\n\u003cdiv class=\"ybc-p\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ybc-p\"\u003ePerfect for students, professionals, or collectors, this fountain pen combines practicality with eye-catching design. Whether used for quick notes or calligraphy practice, it delivers consistent ink flow and reliable performance.\u003c\/div\u003e\n\u003cdiv class=\"ybc-p\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ybc-p\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cdiv class=\"ybc-p\"\u003eBrand: Platinum (Japan)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cdiv class=\"ybc-p\"\u003eSeries: Rabbit Series Pocket Short\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cdiv class=\"ybc-p\"\u003eBarrel Material: Lightweight resin in macaron colors\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cdiv class=\"ybc-p\"\u003eLength: 120mm (compact size)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cdiv class=\"ybc-p\"\u003eNib: Stainless steel\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cdiv class=\"ybc-p\"\u003eFilling System: Cartridge\/converter compatible (depending on model)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cdiv class=\"ybc-p\"\u003ePortable \u0026amp; travel-friendly design\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cdiv class=\"ybc-p\"\u003eStylish pastel color options\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"ybc-p\"\u003eAdd a dash of sweetness and sophistication to your stationery collection with the Platinum Rabbit Series pocket fountain pen — small in size, big on charm.\u003c\/div\u003e","brand":"PLATINUM","offers":[{"title":"Light Grey","offer_id":53154369569073,"sku":"PT200F-1","price":13.0,"currency_code":"USD","in_stock":true},{"title":"Light Yellow","offer_id":53154369601841,"sku":"PT200F-2","price":13.0,"currency_code":"USD","in_stock":true},{"title":"Light Pink","offer_id":53154369634609,"sku":"PT200F-3","price":13.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":53154369667377,"sku":"PT200F-4","price":13.0,"currency_code":"USD","in_stock":true},{"title":"Light Blue","offer_id":53154369700145,"sku":"PT200F-5","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01sBqlSH1xZouUI5Xj1__4611686018427381354-0-item_pic.jpg_q50.jpg_d4fa096f-156c-484a-af82-3a1623c30251.webp?v=1773683646"},{"product_id":"kokuyo-perpanep-x-platinum-preppy-fountain-pen-paper-matched-ink-system-japanese-stationery-collaboration","title":"KOKUYO PERPANEP x Platinum Preppy Fountain Pen | Paper-Matched Ink System | Japanese Stationery Collaboration","description":"\u003ch2\u003eKOKUYO PERPANEP x Platinum Preppy — When Paper Meets Its Perfect Pen\u003c\/h2\u003e\u003cp\u003eThis is not a coincidence — it’s a collaboration. The \u003cstrong\u003eKOKUYO PERPANEP x Platinum Preppy Fountain Pen\u003c\/strong\u003e brings together two of Japan’s most respected stationery names to create something genuinely considered: a fountain pen tuned to write beautifully on \u003cstrong\u003eKOKUYO’s PERPANEP paper\u003c\/strong\u003e, which is engineered around the specific texture and absorbency needs of fountain pen ink. The result is a writing experience where pen and paper are no longer separate decisions — they’re a matched system, designed to bring out the best in each other.\u003c\/p\u003e\u003ch3\u003eThe Platinum Preppy — Japan’s Most Accessible Fountain Pen\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003ePlatinum Preppy\u003c\/strong\u003e is one of Japan’s best-selling entry-level fountain pens — beloved for its smooth nib, reliable ink flow, and exceptional value\u003c\/li\u003e\n\u003cli\u003eFeatures Platinum’s \u003cstrong\u003eSlip \u0026amp; Seal cap mechanism\u003c\/strong\u003e — prevents ink from drying out for up to a year when capped, even without writing\u003c\/li\u003e\n\u003cli\u003eLightweight, transparent body — lets you monitor ink levels at a glance\u003c\/li\u003e\n\u003cli\u003eCompatible with standard Platinum cartridges and the Platinum converter for bottled ink use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKOKUYO PERPANEP Paper System\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePERPANEP\u003c\/strong\u003e is KOKUYO’s dedicated fountain pen notebook line, available in three paper textures: \u003cem\u003eSarasara\u003c\/em\u003e (smooth), \u003cem\u003eTsurutsuru\u003c\/em\u003e (silky), and \u003cem\u003eZarazara\u003c\/em\u003e (textured)\u003c\/li\u003e\n\u003cli\u003eEach texture is engineered to interact differently with fountain pen nibs and ink — changing the feel, line quality, and writing experience\u003c\/li\u003e\n\u003cli\u003eThe Preppy’s nib is tuned to perform across all three PERPANEP paper types\u003c\/li\u003e\n\u003cli\u003eTogether, pen and paper create a system where every writing session feels intentional and refined\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eA Collaboration Worth Owning\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpecial edition colorways and branding reflecting the PERPANEP x Preppy partnership\u003c\/li\u003e\n\u003cli\u003eAn ideal entry point into fountain pen writing — approachable for beginners, satisfying for experienced writers\u003c\/li\u003e\n\u003cli\u003eA thoughtful gift for stationery enthusiasts, journalers, and anyone curious about fountain pens\u003c\/li\u003e\n\u003cli\u003eMade in Japan — the combined heritage of Platinum Pen Co. and KOKUYO in one package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Platinum Pen Co. x KOKUYO\u003c\/li\u003e\n\u003cli\u003eSeries: Preppy x PERPANEP collaboration\u003c\/li\u003e\n\u003cli\u003ePen type: Fountain pen\u003c\/li\u003e\n\u003cli\u003eCap mechanism: Slip \u0026amp; Seal (Platinum)\u003c\/li\u003e\n\u003cli\u003eBody material: Transparent resin\u003c\/li\u003e\n\u003cli\u003eInk system: Cartridge (included) \/ converter compatible\u003c\/li\u003e\n\u003cli\u003ePaper pairing: KOKUYO PERPANEP notebooks (Sarasara \/ Tsurutsuru \/ Zarazara)\u003c\/li\u003e\n\u003cli\u003eOrigin: Japan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat makes this different from a standard Platinum Preppy?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eKOKUYO PERPANEP x Platinum Preppy\u003c\/strong\u003e is a special collaboration edition featuring \u003cstrong\u003ePERPANEP-themed colorways and co-branding\u003c\/strong\u003e that ties the pen directly to KOKUYO’s fountain pen paper system. While the core Preppy mechanism remains the same — including the Slip \u0026amp; Seal cap and smooth nib — this edition is designed to be purchased and used as part of the PERPANEP writing ecosystem, where pen and paper are chosen together for a matched experience.\u003c\/p\u003e\u003ch3\u003eWhat is the Slip \u0026amp; Seal cap mechanism?\u003c\/h3\u003e\u003cp\u003ePlatinum’s \u003cstrong\u003eSlip \u0026amp; Seal\u003c\/strong\u003e is a patented inner cap design that creates an airtight seal around the nib when the pen is capped. This prevents ink from evaporating or drying out — Platinum claims the pen can sit unused for \u003cstrong\u003eup to one year\u003c\/strong\u003e without the nib drying out. It’s one of the key reasons the Preppy is so popular with occasional writers and beginners.\u003c\/p\u003e\u003ch3\u003eWhich KOKUYO PERPANEP notebook should I pair with this pen?\u003c\/h3\u003e\u003cp\u003ePERPANEP notebooks come in three paper textures, each offering a different writing feel:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSarasara (さらさら)\u003c\/strong\u003e — smooth and fast; great for quick writing and fine nibs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTsurutsuru (つるつる)\u003c\/strong\u003e — silky and gliding; ideal for a luxurious, frictionless writing experience\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZarazara (ざらざら)\u003c\/strong\u003e — slightly textured; adds feedback and character to each stroke\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWe recommend trying all three to discover your preferred writing feel — the Preppy nib performs beautifully across all PERPANEP paper types.\u003c\/p\u003e\u003ch3\u003eCan I use bottled ink with this pen?\u003c\/h3\u003e\u003cp\u003eYes. The Platinum Preppy is compatible with the \u003cstrong\u003ePlatinum converter (CONV-500)\u003c\/strong\u003e, which allows you to fill directly from any bottled fountain pen ink. It also accepts standard \u003cstrong\u003ePlatinum ink cartridges\u003c\/strong\u003e for quick, mess-free refills. The converter is sold separately.\u003c\/p\u003e\u003ch3\u003eIs this suitable for a first-time fountain pen user?\u003c\/h3\u003e\u003cp\u003eAbsolutely — the Platinum Preppy is widely regarded as one of the \u003cstrong\u003ebest entry-level fountain pens in the world\u003c\/strong\u003e. It starts writing immediately, requires minimal maintenance, and the Slip \u0026amp; Seal cap means it won’t dry out between uses. Paired with PERPANEP paper, it gives a first-time user an immediately rewarding writing experience that makes the switch from ballpoint feel effortless.\u003c\/p\u003e","brand":"Platinum \/ KOKUYO","offers":[{"title":"Default Title","offer_id":54912034275633,"sku":"PP003","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01YL9NJ829U6w7gR1dj__2219238070.jpg_299a2500-b7a8-4c76-8c77-a622cad61dd8.webp?v=1782637067"},{"product_id":"platinum-pqr-200-rotary-piston-converter-twist-fill-ink-converter","title":"Platinum PQR-200 Rotary Piston Converter – Twist-Fill Ink Converter for Platinum Fountain Pens","description":"\u003ch2\u003ePlatinum PQR-200 Rotary Piston Converter – Twist-Fill Ink Converter for Platinum Fountain Pens\u003c\/h2\u003e\n\n\u003cp\u003eUnlock the full potential of your Platinum fountain pen. The \u003cstrong\u003ePlatinum PQR-200 Rotary Piston Converter\u003c\/strong\u003e is the official ink converter designed for Platinum fountain pens, allowing you to fill directly from any bottled ink rather than being limited to proprietary cartridges. The twist-fill piston mechanism is smooth, precise, and reliable — drawing a consistent volume of ink with each rotation and sealing cleanly to prevent leaks. One converter. Unlimited ink choices.\u003c\/p\u003e\n\n\u003cp\u003eIf you use a Platinum fountain pen with bottled ink, this is the component that makes it possible.\u003c\/p\u003e\n\n\u003ch3\u003e✒️ Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Platinum (Japan)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PQR-200\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Rotary piston converter — twist-fill mechanism for direct bottle filling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Platinum fountain pens that accept standard Platinum cartridges\/converters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk compatibility:\u003c\/strong\u003e Works with all bottled fountain pen inks — Platinum, Iroshizuku, Diamine, Pilot, Sailor, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e Standard converter ink capacity — sufficient for extended writing sessions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Precision-engineered plastic and metal piston components — durable under regular use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Japan — Platinum’s official OEM converter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Fountain pen enthusiasts, ink collectors, writers who use bottled ink, Platinum pen owners upgrading from cartridges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🇯🇵 Why Choose a Converter Over Cartridges?\u003c\/h3\u003e\n\u003cp\u003eInk cartridges are convenient — but they limit you to a handful of pre-filled colours and generate plastic waste with every change. A piston converter like the PQR-200 opens your pen to the \u003cstrong\u003eentire world of bottled fountain pen ink\u003c\/strong\u003e: hundreds of colours, dozens of brands, shimmering inks, iron gall inks, water-resistant inks, and everything in between. Refilling takes under a minute. The cost per fill is a fraction of a cartridge. And the ritual of dipping the nib into a bottle of ink you chose yourself is, for many writers, one of the most satisfying parts of using a fountain pen.\u003c\/p\u003e\n\n\u003ch3\u003e🔄 How to Use the PQR-200 Converter\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eUnscrew and remove the existing cartridge from your Platinum pen.\u003c\/li\u003e\n  \u003cli\u003eInsert the PQR-200 converter firmly into the pen’s section until it seats securely.\u003c\/li\u003e\n  \u003cli\u003eTurn the piston knob \u003cstrong\u003ecounter-clockwise\u003c\/strong\u003e to expel all air from the converter.\u003c\/li\u003e\n  \u003cli\u003eSubmerge the nib fully into your chosen bottled ink.\u003c\/li\u003e\n  \u003cli\u003eTurn the piston knob \u003cstrong\u003eclockwise\u003c\/strong\u003e slowly to draw ink into the converter.\u003c\/li\u003e\n  \u003cli\u003eWipe the nib and section clean with a soft cloth before capping.\u003c\/li\u003e\n  \u003cli\u003eYour pen is ready to write.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003e📦 What’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Platinum PQR-200 Rotary Piston Converter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eQ: Which Platinum fountain pens is the PQR-200 compatible with?\u003c\/h3\u003e\n\u003cp\u003eA: The PQR-200 is compatible with \u003cstrong\u003ePlatinum fountain pens that use the standard Platinum cartridge\/converter fitting\u003c\/strong\u003e — including popular models such as the Platinum Century 3776, Preppy, Plaisir, Cool, Balance, and many others. If your Platinum pen accepts a standard Platinum cartridge, it will accept the PQR-200 converter. If in doubt, check your pen’s model specifications or contact us before purchasing.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Can I use non-Platinum inks with this converter?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. The PQR-200 is compatible with \u003cstrong\u003eany standard bottled fountain pen ink\u003c\/strong\u003e from any brand — including Iroshizuku, Diamine, Pilot, Sailor, Waterman, Private Reserve, and others. We recommend flushing the converter with clean water before switching between ink brands or colours.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How do I fill the converter?\u003c\/h3\u003e\n\u003cp\u003eA: Insert the converter into your pen, turn the piston knob counter-clockwise to expel air, submerge the nib fully into the ink bottle, then turn the knob clockwise slowly to draw ink into the chamber. Wipe the nib and grip section clean before capping. Full filling instructions are included in the product description above.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How do I clean the PQR-200?\u003c\/h3\u003e\n\u003cp\u003eA: Flush the converter by filling it with clean, lukewarm water and expelling it several times until the water runs clear. Repeat as needed when changing ink colours or putting the pen into storage. Do not use hot water or cleaning agents, which may damage the seals.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is the piston seal replaceable if it dries out?\u003c\/h3\u003e\n\u003cp\u003eA: The PQR-200 is designed for long-term use with regular cleaning. If the piston becomes stiff or dry after extended storage, a small amount of silicone grease applied to the piston seal will restore smooth operation. Replacement units are inexpensive if a seal fails after extended use.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How does a piston converter differ from a squeeze converter?\u003c\/h3\u003e\n\u003cp\u003eA: A piston converter (like the PQR-200) uses a threaded screw mechanism to draw ink in with a controlled, precise stroke — generally allowing a fuller fill and better control. A squeeze converter uses a rubber sac that you press and release. Piston converters are generally preferred by experienced fountain pen users for their reliability and fill volume.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is this an official Platinum product?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. The Platinum PQR-200 is an \u003cstrong\u003eofficial OEM converter manufactured by Platinum Pen Co., Ltd. (Japan)\u003c\/strong\u003e — not a third-party or aftermarket product. It is the same converter included with many Platinum pen sets sold globally.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Can I use this converter in a non-Platinum pen?\u003c\/h3\u003e\n\u003cp\u003eA: The PQR-200 uses Platinum’s proprietary fitting dimensions and is designed specifically for Platinum pens. It may not fit pens from other brands (such as Pilot, Sailor, or Lamy), which use different converter standards. Always verify compatibility with your specific pen model before purchasing.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":56039170048305,"sku":"PQR-200","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01kjejFy1XQ2CGwGMHI__2200533992917.jpg_896ca842-72d8-4f61-902a-97cf63469592.webp?v=1788108429"},{"product_id":"platinum-conv-800a-vacuum-converter-push-button-vacuum-fill-ink-converter","title":"Platinum CONV-800A Vacuum Converter – Push-Button Vacuum Fill Ink Converter for Platinum Fountain Pens","description":"\u003ch2\u003ePlatinum CONV-800A Vacuum Converter – Push-Button Vacuum Fill | High-Capacity Ink Converter for Platinum Fountain Pens\u003c\/h2\u003e\n\n\u003cp\u003eFill faster. Carry more ink. Write longer. The \u003cstrong\u003ePlatinum CONV-800A Vacuum Converter\u003c\/strong\u003e is the high-performance alternative to the standard piston converter — using a \u003cstrong\u003epush-button vacuum mechanism\u003c\/strong\u003e that draws a full charge of ink into the chamber in a single, satisfying stroke. No twisting. No multiple turns. Just press, submerge, release — and you’re fully loaded. The CONV-800A is an official Platinum Pen Co. component, engineered for direct compatibility with Platinum fountain pens and designed to hold a generous ink capacity for writers who don’t want to stop mid-session to refill.\u003c\/p\u003e\n\n\u003cp\u003eOne press. Maximum ink. Ready to write.\u003c\/p\u003e\n\n\u003ch3\u003e✒️ Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Platinum (Japan)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e CONV-800A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Vacuum converter — push-button single-stroke filling mechanism\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Platinum fountain pens that accept standard Platinum cartridges\/converters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk compatibility:\u003c\/strong\u003e Works with all bottled fountain pen inks — Platinum, Iroshizuku, Diamine, Pilot, Sailor, Waterman, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e Higher ink capacity than standard piston converters — designed for extended writing between fills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilling speed:\u003c\/strong\u003e Single-stroke fill — faster than multi-turn piston converters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Precision-engineered components — durable vacuum seal, smooth button action\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Japan — official Platinum OEM component\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Heavy writers, ink enthusiasts, journalists, students, anyone who prefers fewer interruptions and more ink on hand\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🔄 Vacuum Fill vs. Piston Fill – What’s the Difference?\u003c\/h3\u003e\n\u003cp\u003eA standard piston converter (like the Platinum PQR-200) fills ink by rotating a screw mechanism through multiple turns — reliable and controlled, but slower. The \u003cstrong\u003eCONV-800A vacuum converter\u003c\/strong\u003e works differently: pressing the button compresses a spring-loaded vacuum chamber; submerging the nib and releasing the button creates a rapid vacuum that draws ink into the chamber in a single stroke. The result is a \u003cstrong\u003efaster fill, a larger ink load\u003c\/strong\u003e, and a mechanism that many writers find more intuitive and satisfying in practice. If you frequently use your pen for long writing sessions or switch inks regularly, the CONV-800A’s speed and capacity make it the superior choice.\u003c\/p\u003e\n\n\u003ch3\u003e📍 How to Fill the CONV-800A\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eRemove any existing cartridge or converter from your Platinum pen.\u003c\/li\u003e\n  \u003cli\u003eInsert the CONV-800A firmly into the pen’s section until it seats securely.\u003c\/li\u003e\n  \u003cli\u003ePress the push-button on the end of the converter fully down to compress the vacuum chamber.\u003c\/li\u003e\n  \u003cli\u003eSubmerge the pen nib completely into your chosen bottled ink — ensure the nib is fully immersed.\u003c\/li\u003e\n  \u003cli\u003eRelease the button slowly and steadily — the vacuum will draw ink rapidly into the chamber.\u003c\/li\u003e\n  \u003cli\u003eRemove the nib from the ink bottle and wipe the nib and grip section clean with a soft cloth.\u003c\/li\u003e\n  \u003cli\u003eYour pen is fully loaded and ready to write.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003e📦 What’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Platinum CONV-800A Vacuum Converter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eQ: Which Platinum pens is the CONV-800A compatible with?\u003c\/h3\u003e\n\u003cp\u003eA: The CONV-800A is compatible with \u003cstrong\u003ePlatinum fountain pens that accept the standard Platinum cartridge\/converter fitting\u003c\/strong\u003e — including the Platinum Century 3776, Balance, Prefounte, Cool, and many other models. If your Platinum pen accepts a standard Platinum cartridge, it should accept the CONV-800A. Always verify your pen’s converter compatibility before purchasing, or contact us if you are unsure.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How is the CONV-800A different from the PQR-200 piston converter?\u003c\/h3\u003e\n\u003cp\u003eA: The \u003cstrong\u003ePQR-200\u003c\/strong\u003e uses a rotary piston mechanism — you twist a knob to draw ink gradually through multiple turns. The \u003cstrong\u003eCONV-800A\u003c\/strong\u003e uses a push-button vacuum mechanism — a single press-and-release stroke draws the full ink charge instantly. The CONV-800A is generally faster to fill and holds a slightly higher ink volume. Both are official Platinum components; the best choice depends on your preference for filling style and ink capacity.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Can I use non-Platinum bottled inks with this converter?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. The CONV-800A is compatible with \u003cstrong\u003eany standard bottled fountain pen ink\u003c\/strong\u003e from any manufacturer — including Pilot Iroshizuku, Diamine, Sailor, Waterman, Private Reserve, Noodler’s, and others. We recommend thoroughly flushing the converter with clean water before switching between ink types or brands.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How do I clean the CONV-800A?\u003c\/h3\u003e\n\u003cp\u003eA: To clean, fill the converter with clean lukewarm water using the push-button mechanism and expel it repeatedly until the water runs clear. For a deeper clean, you can remove the converter from the pen and flush it under a gentle stream of lukewarm water. Do not use hot water, alcohol, or chemical cleaning agents, which may damage the internal vacuum seal.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What if the vacuum seal weakens over time?\u003c\/h3\u003e\n\u003cp\u003eA: With regular use and proper cleaning, the CONV-800A vacuum seal is designed to last for years. If the button action becomes less effective over time, ensure the converter is clean and free of dried ink deposits around the seal. A small amount of silicone grease on the plunger seal can restore performance. Replacement converters are inexpensive if needed.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How much ink does the CONV-800A hold compared to a standard cartridge?\u003c\/h3\u003e\n\u003cp\u003eA: The CONV-800A holds more ink than a standard short Platinum cartridge and is comparable to or exceeds a standard piston converter in capacity. Exact volume varies slightly by pen model due to internal section geometry, but the single-stroke fill consistently delivers a generous charge of ink.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is this an official Platinum product?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. The Platinum CONV-800A is an \u003cstrong\u003eofficial OEM component manufactured by Platinum Pen Co., Ltd. (Japan)\u003c\/strong\u003e — not a third-party or aftermarket product. It meets Platinum’s quality standards and is fully engineered for use with their fountain pen range.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Will this converter fit pens from other brands such as Pilot or Sailor?\u003c\/h3\u003e\n\u003cp\u003eA: No. The CONV-800A uses Platinum’s proprietary fitting dimensions and is designed exclusively for Platinum fountain pens. Pens from other brands (Pilot, Sailor, Lamy, Pelikan, etc.) use different converter standards and require their own brand-specific converters. Please verify compatibility with your specific pen before purchasing.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":56039171260721,"sku":"CONV-800A","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01rsPZmw1XQ21SheD9H__2200533992917.jpg_fb5c7a8f-30ae-43bf-88d5-faaa76f2cdb3.webp?v=1788108676"},{"product_id":"platinum-procyon-pns-5000-fountain-pen-iridium-nib","title":"Platinum PROCYON PNS-5000 Fountain Pen – Iridium Nib | F 0.38mm \/ M 0.5mm | Turquoise \/ Persimmon \/ Lemon \/ Deep Sea \/ White \/ Carmine \/ Dark Mica","description":"\u003ch2\u003ePlatinum PROCYON PNS-5000 Fountain Pen – Iridium Nib | F 0.38mm \/ M 0.5mm | 7 Colour Options\u003c\/h2\u003e\n\n\u003cp\u003eColour is a language. The \u003cstrong\u003ePlatinum PROCYON PNS-5000\u003c\/strong\u003e speaks it fluently. One of Platinum’s most visually striking fountain pens, the PROCYON pairs a precision iridium-tipped steel nib with a boldly coloured resin barrel that makes it as pleasurable to look at as it is to write with. Available in seven expressive colourways — \u003cstrong\u003eTurquoise, Persimmon, Lemon, Deep Sea, Ceramic White, Carmine, and Dark Mica\u003c\/strong\u003e — and two nib widths — \u003cstrong\u003eF (0.38mm)\u003c\/strong\u003e for precise, fine writing and \u003cstrong\u003eM (0.5mm)\u003c\/strong\u003e for a smoother, broader line — the PROCYON is a fountain pen designed to be chosen personally, used daily, and noticed immediately.\u003c\/p\u003e\n\n\u003cp\u003eEngineered in Japan. Built to write for a lifetime.\u003c\/p\u003e\n\n\u003ch3\u003e✒️ Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Platinum Pen Co., Ltd. (Japan) — established 1919\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PROCYON PNS-5000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNib material:\u003c\/strong\u003e Stainless steel with iridium tip — durable, smooth, and consistent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNib sizes available:\u003c\/strong\u003e F (Fine, 0.38mm) \/ M (Medium, 0.5mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel material:\u003c\/strong\u003e High-quality resin — lightweight, durable, vivid colour depth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour options:\u003c\/strong\u003e Turquoise \/ Persimmon \/ Lemon \/ Deep Sea \/ Ceramic White \/ Carmine \/ Dark Mica\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCap mechanism:\u003c\/strong\u003e Slip \u0026amp; Seal cap — Platinum’s proprietary inner cap seals the nib airtight to prevent ink evaporation and skipping after long periods without use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk system:\u003c\/strong\u003e Accepts standard Platinum cartridges and Platinum PQR-200 \/ CONV-800A converters (sold separately)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Japan\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Daily writers, fountain pen enthusiasts, students, professionals, collectors seeking colour variety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🎨 Seven Colours – Each One a Statement\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurquoise —\u003c\/strong\u003e Cool, vivid, and instantly eye-catching. The colour of clear water and creative energy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePersimmon —\u003c\/strong\u003e Warm amber-orange with an organic richness. Distinct without being loud.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLemon —\u003c\/strong\u003e Bright, optimistic, and unapologetically cheerful. The most distinctive pen in any pencil case.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeep Sea —\u003c\/strong\u003e A deep, moody blue-green that shifts with the light. Sophisticated and quietly striking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCeramic White —\u003c\/strong\u003e Clean, minimal, and endlessly versatile. The classic choice for any aesthetic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarmine —\u003c\/strong\u003e A rich, deep red with warmth and depth. Bold without being aggressive. A collector favourite.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDark Mica —\u003c\/strong\u003e A deep, glittering grey-black with subtle metallic shimmer. For those who prefer their pens like a good espresso: dark, complex, and refined.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🔍 F vs. M – Choosing Your Nib Width\u003c\/h3\u003e\n\u003cp\u003eThe PROCYON is available in two nib widths. Japanese nib sizing runs slightly narrower than European equivalents — keep this in mind when selecting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eF (Fine, 0.38mm) —\u003c\/strong\u003e A precise, controlled line ideal for small handwriting, detailed note-taking, journaling in tight margins, and anyone who prefers a clean, defined mark. Recommended for writers who use Japanese or complex script characters, or who prefer ink to dry quickly on the page.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM (Medium, 0.5mm) —\u003c\/strong\u003e A smoother, more expressive line with greater ink flow. Ideal for longer writing sessions, Western scripts, and anyone who prioritises writing comfort and line character over precision width.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🔒 Platinum Slip \u0026amp; Seal Cap – The Ink That Stays Ready\u003c\/h3\u003e\n\u003cp\u003eOne of the PROCYON’s most practical features is its \u003cstrong\u003eSlip \u0026amp; Seal cap\u003c\/strong\u003e — Platinum’s proprietary inner cap system that creates an airtight seal around the nib when the pen is capped. Unlike standard fountain pens that can dry out within hours or days of being left uncapped, the Slip \u0026amp; Seal mechanism keeps the nib hydrated and ready to write for extended periods — even after weeks of disuse. For writers who carry multiple pens or use their PROCYON intermittently, this feature alone makes it a standout choice in its price category.\u003c\/p\u003e\n\n\u003ch3\u003e📦 What’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Platinum PROCYON PNS-5000 Fountain Pen in your selected colour and nib size\u003c\/li\u003e\n  \u003cli\u003e1 × Platinum ink cartridge (pre-installed or included)\u003c\/li\u003e\n  \u003cli\u003eOriginal Platinum packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eQ: What colours and nib sizes are available?\u003c\/h3\u003e\n\u003cp\u003eA: The PROCYON PNS-5000 is available in seven barrel colours — \u003cstrong\u003eTurquoise, Persimmon, Lemon, Deep Sea, Ceramic White, Carmine, and Dark Mica\u003c\/strong\u003e — and two nib sizes: \u003cstrong\u003eF (Fine, 0.38mm)\u003c\/strong\u003e and \u003cstrong\u003eM (Medium, 0.5mm)\u003c\/strong\u003e. Select your preferred combination from the options above before adding to cart.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is the nib gold or steel?\u003c\/h3\u003e\n\u003cp\u003eA: The PROCYON PNS-5000 features a \u003cstrong\u003estainless steel nib with an iridium tip\u003c\/strong\u003e. The iridium tipping provides smooth, consistent ink flow and long-term wear resistance. It is not a gold nib — for a gold nib option, please see Platinum’s higher-tier models such as the Century 3776.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Which nib size should I choose – F or M?\u003c\/h3\u003e\n\u003cp\u003eA: If you have small, neat handwriting, prefer fine lines, write in Japanese or other complex scripts, or want ink to dry quickly — choose \u003cstrong\u003eF (0.38mm)\u003c\/strong\u003e. If you have larger handwriting, write in Western scripts, prioritise smooth flow, or prefer a more expressive line — choose \u003cstrong\u003eM (0.5mm)\u003c\/strong\u003e. Note that Japanese nibs run slightly narrower than European equivalents; an F from Platinum writes closer to a European EF.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What is the Slip \u0026amp; Seal cap and why does it matter?\u003c\/h3\u003e\n\u003cp\u003eA: The Slip \u0026amp; Seal cap is Platinum’s proprietary inner cap mechanism that creates an airtight seal around the nib when capped. This prevents ink from evaporating and the nib from drying out, even if the pen is left unused for weeks. It is one of the PROCYON’s most practical features and a key reason many writers choose Platinum over other brands in this price range.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What ink system does the PROCYON use?\u003c\/h3\u003e\n\u003cp\u003eA: The PROCYON accepts \u003cstrong\u003estandard Platinum ink cartridges\u003c\/strong\u003e (short and long) and is also compatible with the \u003cstrong\u003ePlatinum PQR-200 piston converter\u003c\/strong\u003e and \u003cstrong\u003ePlatinum CONV-800A vacuum converter\u003c\/strong\u003e (both sold separately), allowing you to use any bottled fountain pen ink.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Can I use non-Platinum inks in this pen?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, with a compatible converter. Using the PQR-200 or CONV-800A converter, you can fill the PROCYON with any standard bottled fountain pen ink from any brand. We recommend thoroughly flushing the pen with clean water before switching between ink brands or colours.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is this pen suitable for beginners?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. The PROCYON is widely regarded as an excellent mid-range fountain pen that is approachable for beginners while satisfying for experienced users. The steel nib is smooth and forgiving, the cartridge system is simple to use, and the Slip \u0026amp; Seal cap means it will still write reliably even if you forget about it for a few weeks.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How does the PROCYON compare to the Platinum Preppy or Century 3776?\u003c\/h3\u003e\n\u003cp\u003eA: The \u003cstrong\u003ePreppy\u003c\/strong\u003e is Platinum’s entry-level pen — affordable and functional but with a plastic body and basic construction. The \u003cstrong\u003ePROCYON\u003c\/strong\u003e is a significant step up: resin barrel, iridium-tipped steel nib, Slip \u0026amp; Seal cap, and a premium aesthetic. The \u003cstrong\u003eCentury 3776\u003c\/strong\u003e is Platinum’s flagship — featuring a 14K gold nib and elevated materials throughout. The PROCYON sits comfortably in the mid-range sweet spot between everyday accessibility and genuine quality.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Turquoise","offer_id":56039200784689,"sku":"PNS-5000C-1","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Persimmon","offer_id":56039200817457,"sku":"PNS-5000C-2","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Lemon","offer_id":56039200850225,"sku":"PNS-5000C-3","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Deep Sea","offer_id":56039200882993,"sku":"PNS-5000C-4","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Ceramic White","offer_id":56039200915761,"sku":"PNS-5000C-5","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Carmine","offer_id":56039200948529,"sku":"PNS-5000C-6","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Dark Mica","offer_id":56039200981297,"sku":"PNS-5000C-7","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01al8scN1XQ1uwiH9Vs__2200533992917.jpg_94345a01-5187-47b3-ac37-f58cded8b058.webp?v=1788109463"},{"product_id":"platinum-pro-use-171-mechanical-pencil-0-5mm-msda-3500b-limited-edition","title":"Platinum PRO-USE 171 Mechanical Pencil 0.5mm – MSDA-3500B Limited Edition | Frost Gold \/ Frost Silver | Professional Drafting \u0026 Sketching","description":"\u003ch2\u003ePlatinum PRO-USE 171 Mechanical Pencil 0.5mm – MSDA-3500B Limited Edition | Frost Gold \/ Frost Silver | Professional Drafting \u0026amp; Sketching\u003c\/h2\u003e\n\n\u003cp\u003ePrecision is not optional when the line matters. The \u003cstrong\u003ePlatinum PRO-USE 171 (MSDA-3500B)\u003c\/strong\u003e is a professional-grade mechanical pencil engineered for designers, architects, illustrators, and draughtspeople who demand absolute control over every mark. The 0.5mm lead advances with a smooth, weighted mechanism balanced for extended technical use, while the all-metal construction eliminates the flex and imprecision of plastic-bodied pencils. This limited edition release introduces two refined colourways — \u003cstrong\u003eFrost Gold\u003c\/strong\u003e and \u003cstrong\u003eFrost Silver\u003c\/strong\u003e — a matte, satined finish that reduces glare under studio lighting and gives the PRO-USE 171 the understated authority of a premium instrument. Limited availability. Designed to be used seriously.\u003c\/p\u003e\n\n\u003cp\u003eMade in Japan by Platinum Pen Co. — established 1919.\u003c\/p\u003e\n\n\u003ch3\u003e✏️ Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Platinum Pen Co., Ltd. (Japan) — established 1919\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PRO-USE 171 \/ MSDA-3500B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEdition:\u003c\/strong\u003e Limited edition — Frost colour series\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead diameter:\u003c\/strong\u003e 0.5mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead grade:\u003c\/strong\u003e Compatible with all standard 0.5mm lead grades (HB, H, 2H, B, 2B, etc.)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour options:\u003c\/strong\u003e Frost Gold \/ Frost Silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Matte frosted surface — reduced glare, premium tactile feel, scratch-resistant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody material:\u003c\/strong\u003e Full metal construction — brass or aluminium alloy barrel, no plastic components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanism:\u003c\/strong\u003e Side-click or top-button advance (please confirm mechanism per model variant)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrip:\u003c\/strong\u003e Knurled metal grip section — secure hold without rubber, designed for precise control during extended use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEraser:\u003c\/strong\u003e Built-in eraser under the top cap\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Japan\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Architects, industrial designers, illustrators, technical draughtspeople, engineers, precision sketchers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e✨ Frost Gold \u0026amp; Frost Silver – The Limited Edition Finish\u003c\/h3\u003e\n\u003cp\u003eThe standard PRO-USE 171 is already a benchmark professional instrument. The \u003cstrong\u003eFrost Edition\u003c\/strong\u003e elevates it visually without compromising a single performance characteristic. The matte frosted finish on both Frost Gold and Frost Silver does three things: it eliminates the reflective glare of polished metal under bright studio or drafting table lighting; it adds a fine, tactile texture that improves grip security on the barrel (not just the knurled section); and it gives the pencil a quiet, considered aesthetic that sits naturally alongside high-end design tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrost Gold —\u003c\/strong\u003e Warm, matte, and architectural. The finish reads as intentional restraint rather than decoration — a pencil that belongs on the desk of someone who has thought carefully about every tool they use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrost Silver —\u003c\/strong\u003e Cool, precise, and formally perfect. The finish references technical drawing instruments of the pre-digital era — a lineage this pencil earns through performance as much as appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📐 PRO-USE 171 – Built for Professional Drawing\u003c\/h3\u003e\n\u003cp\u003eThe PRO-USE series is Platinum’s professional drafting line — a range designed not for occasional use but for sustained, demanding technical work. Key engineering decisions that distinguish it from consumer-grade mechanical pencils include: a \u003cstrong\u003efixed, non-retractable lead pipe\u003c\/strong\u003e designed to allow precise placement of the lead tip against a straight edge or template; a \u003cstrong\u003eknurled metal grip\u003c\/strong\u003e that maintains secure contact through long sessions without hand fatigue; and a \u003cstrong\u003eweighted all-metal body\u003c\/strong\u003e that eliminates barrel flex and provides the consistent downward resistance that professional draughtspeople train their hand around. If you have ever worked with a serious drafting pencil and then returned to a plastic-bodied consumer model, you understand exactly what this difference means in practice.\u003c\/p\u003e\n\n\u003ch3\u003e📦 What’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Platinum PRO-USE 171 MSDA-3500B Mechanical Pencil in your selected colour (Frost Gold or Frost Silver)\u003c\/li\u003e\n  \u003cli\u003eLead loaded (standard HB, 0.5mm)\u003c\/li\u003e\n  \u003cli\u003eBuilt-in eraser under cap\u003c\/li\u003e\n  \u003cli\u003eOriginal Platinum packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eQ: What colours are available, and is this a limited edition?\u003c\/h3\u003e\n\u003cp\u003eA: The MSDA-3500B is available in two limited edition colourways: \u003cstrong\u003eFrost Gold\u003c\/strong\u003e and \u003cstrong\u003eFrost Silver\u003c\/strong\u003e. Both feature a matte frosted finish exclusive to this edition. As a limited release, stock is not guaranteed to be replenished once sold through. Select your preferred colour from the options above before adding to cart.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What lead size does the PRO-USE 171 use?\u003c\/h3\u003e\n\u003cp\u003eA: The MSDA-3500B uses \u003cstrong\u003e0.5mm diameter lead\u003c\/strong\u003e — the most widely available mechanical pencil lead size. It is compatible with all standard 0.5mm leads from any brand, in any grade (HB, H, 2H, B, 2B, etc.). Specialty leads including coloured, non-photo blue, and technical grades are all compatible.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What makes the PRO-USE 171 different from a standard mechanical pencil?\u003c\/h3\u003e\n\u003cp\u003eA: Several engineering decisions distinguish the PRO-USE 171 from consumer-grade pencils: a \u003cstrong\u003efull metal body\u003c\/strong\u003e with no plastic barrel flex; a \u003cstrong\u003efixed lead pipe\u003c\/strong\u003e (non-retractable) for precision placement against rules and templates; a \u003cstrong\u003eknurled metal grip\u003c\/strong\u003e for secure hold without rubber; and a \u003cstrong\u003eweighted, balanced construction\u003c\/strong\u003e calibrated for professional drafting use. It is a tool designed for sustained technical work, not occasional use.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What does the frosted finish feel like, and does it affect grip?\u003c\/h3\u003e\n\u003cp\u003eA: The frosted finish is a fine matte surface treatment applied to the metal barrel. It is smooth to the touch but non-reflective, and it adds a subtle tactile texture to the barrel surface beyond the knurled grip zone. It does not peel, chip, or fade under normal use, and it significantly reduces studio glare compared to polished metal finishes.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is the lead pipe fixed or retractable?\u003c\/h3\u003e\n\u003cp\u003eA: The PRO-USE 171 features a \u003cstrong\u003efixed, non-retractable lead pipe\u003c\/strong\u003e — a deliberate design choice for professional drafting use. The fixed pipe allows the pencil tip to be precisely positioned against a straight edge, template, or ruler without the lead pipe moving during use. A protective cap is included for safe transport and storage.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Does it come with an eraser?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. The PRO-USE 171 includes a \u003cstrong\u003esmall built-in eraser\u003c\/strong\u003e under the top cap. Replacement erasers are available separately and are compatible with standard 0.5mm mechanical pencil eraser refills.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What lead grades are recommended for professional design and sketching?\u003c\/h3\u003e\n\u003cp\u003eA: For \u003cstrong\u003etechnical drafting and precise line work\u003c\/strong\u003e, H or 2H grades are recommended — harder leads maintain a finer point for longer and produce cleaner, lighter lines. For \u003cstrong\u003esketching, rendering, and expressive drawing\u003c\/strong\u003e, HB, B, or 2B grades provide more tonal range and a smoother mark. Many professionals keep multiple pencils loaded with different grades for different phases of their workflow.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How does this pencil compare to the Pentel GraphGear or Staedtler 925 series?\u003c\/h3\u003e\n\u003cp\u003eA: The PRO-USE 171 competes directly with the \u003cstrong\u003ePentel GraphGear 1000\u003c\/strong\u003e and \u003cstrong\u003eStaedtler 925 35\u003c\/strong\u003e in the professional drafting pencil category. All three are serious all-metal instruments with fixed lead pipes and knurled grips. Differences are largely in weight distribution, grip texture preference, and advance mechanism feel — each has a dedicated following among professionals. The PRO-USE 171 is particularly valued for its balanced weight and the quality of its advance mechanism. The limited edition Frost finish is exclusive to Platinum and not available on competing models.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Fog Gold","offer_id":56051819905329,"sku":"MSDA-3500B-1","price":59.0,"currency_code":"USD","in_stock":true},{"title":"Fog Silver","offer_id":56051819938097,"sku":"MSDA-3500B-2","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01PGf1IE1XQ2QNS8PlL__2200533992917.jpg_cde67a0b-8aea-4080-a7cd-8004f6b6123d.webp?v=1788177497"},{"product_id":"platinum-pkn-9000-curidas-retractable-fountain-pen-gemstone-limited-edition","title":"Platinum PKN-9000 CURIDAS Retractable Fountain Pen – Gemstone Limited Edition | Made in Japan","description":"\u003ch2\u003ePlatinum PKN-9000 CURIDAS Fountain Pen – Gemstone Limited Edition | Retractable Click Nib | Slip \u0026amp; Seal Technology | Made in Japan\u003c\/h2\u003e\n\n\u003cp\u003eA fountain pen that opens with a click. A limited edition that closes with intent. The \u003cstrong\u003ePlatinum CURIDAS PKN-9000 Gemstone Limited Edition\u003c\/strong\u003e is one of the most technically ambitious fountain pens Platinum has ever produced — combining a fully retractable nib mechanism with the brand’s celebrated Slip \u0026amp; Seal inner cap technology to deliver something that has long been considered impossible: a click-action fountain pen that keeps its nib hydrated, ready, and protected at all times. The Gemstone Limited Edition adds a layer of collector-grade visual distinction — translucent barrel materials and jewel-inspired colourways that catch and refract light in ways that standard production CURIDAS models do not. This is a pen that performs at the highest level and looks the part of a serious collector’s acquisition.\u003c\/p\u003e\n\n\u003cp\u003ePress. Write. Click closed. That’s it. That’s the CURIDAS.\u003c\/p\u003e\n\n\u003ch3\u003e✒️ Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Platinum Pen Co., Ltd. (Japan) — established 1919\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e CURIDAS PKN-9000 — Gemstone Limited Edition\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanism:\u003c\/strong\u003e Retractable nib — click-button opens and closes the nib in a single press, no cap required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCap technology:\u003c\/strong\u003e Slip \u0026amp; Seal inner mechanism — airtight nib seal prevents ink evaporation even with the nib retracted\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEdition:\u003c\/strong\u003e Limited — Gemstone series, jewel-inspired translucent barrel colourways\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNib material:\u003c\/strong\u003e Rhodium-plated stainless steel with iridium tip\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk system:\u003c\/strong\u003e Compatible with standard Platinum ink cartridges and the Platinum CONV-800A \/ PQR-200 converters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody material:\u003c\/strong\u003e Precision-machined resin and metal components — translucent gemstone-effect barrel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Japan\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Fountain pen collectors, professionals who carry a single pen daily, writers who value one-handed operation, limited edition stationery enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🔮 The Gemstone Edition – Light, Colour, and Collector Intent\u003c\/h3\u003e\n\u003cp\u003eThe standard CURIDAS is already a landmark product in the fountain pen world — the first retractable nib fountain pen to solve the evaporation problem that made all previous attempts impractical. The \u003cstrong\u003eGemstone Limited Edition\u003c\/strong\u003e takes that engineering foundation and elevates it into collector territory. The translucent barrel — rendered in jewel-inspired colourways that evoke the depth and luminosity of precious and semi-precious stones — allows ink colour to show through the barrel when loaded, creating a visual dialogue between pen and ink that standard opaque bodies cannot achieve. In studio light or natural daylight, the Gemstone CURIDAS has a presence that photographs beautifully and impresses in person. It is a limited production run: once it sells through, it does not come back.\u003c\/p\u003e\n\n\u003ch3\u003e🔄 The Retractable Nib – How Platinum Solved the Impossible Problem\u003c\/h3\u003e\n\u003cp\u003eEvery previous attempt at a retractable fountain pen failed for the same reason: retracting the nib exposed it to air, causing rapid ink evaporation, hard starts, and nib drying that made click-action fountain pens impractical for serious use. Platinum’s solution was the \u003cstrong\u003eSlip \u0026amp; Seal mechanism\u003c\/strong\u003e — an inner barrel seal that closes around the nib as it retracts, creating an airtight environment that prevents evaporation regardless of how long the pen sits unused between clicks. The result is a fountain pen that can be opened with one hand, written with immediately, and clicked closed without a second thought. For writers who move between tasks, carry their pen in a pocket or bag, or simply prefer the immediacy of a click mechanism, the CURIDAS changes what a fountain pen can be in daily use.\u003c\/p\u003e\n\n\u003ch3\u003e🔒 Slip \u0026amp; Seal – What It Means in Practice\u003c\/h3\u003e\n\u003cp\u003ePlatinum’s Slip \u0026amp; Seal technology, also found in the PROCYON and other Platinum models, creates an airtight seal around the nib when the pen is capped or retracted. In the CURIDAS, this seal operates automatically as the nib retracts into the barrel — no capping action required. Independent testing has shown that Platinum Slip \u0026amp; Seal pens can sit unused for weeks or even months and still start writing immediately. For the CURIDAS specifically, this means the convenience of a click pen without any compromise to the fountain pen writing experience.\u003c\/p\u003e\n\n\u003ch3\u003e📦 What’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Platinum CURIDAS PKN-9000 Gemstone Limited Edition Fountain Pen\u003c\/li\u003e\n  \u003cli\u003ePlatinum ink cartridge (included)\u003c\/li\u003e\n  \u003cli\u003eOriginal Platinum gift packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eQ: What makes the Gemstone Edition different from the standard CURIDAS?\u003c\/h3\u003e\n\u003cp\u003eA: The \u003cstrong\u003eGemstone Limited Edition\u003c\/strong\u003e features jewel-inspired translucent barrel colourways not available in the standard CURIDAS lineup. The translucent resin allows the ink colour to show through the barrel and creates light refraction effects that evoke precious stones. It is a limited production run — once stock is exhausted, it will not be reissued. The underlying mechanism — retractable nib, Slip \u0026amp; Seal technology — is identical to the standard CURIDAS PKN-9000.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How does the retractable nib mechanism work?\u003c\/h3\u003e\n\u003cp\u003eA: The CURIDAS uses a click-button mechanism on the end of the pen (similar to a ballpoint pen) to extend and retract the nib. Press once to extend — the nib locks in the writing position. Press again to retract — the nib withdraws into the barrel and the Slip \u0026amp; Seal mechanism automatically creates an airtight seal around it. No cap is required at any point.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Will the nib dry out when retracted?\u003c\/h3\u003e\n\u003cp\u003eA: No. The Slip \u0026amp; Seal inner barrel mechanism creates an \u003cstrong\u003eairtight seal around the nib\u003c\/strong\u003e every time it retracts, preventing ink evaporation. This is the core engineering innovation that makes the CURIDAS practical where all previous retractable fountain pens failed. The pen can sit retracted for weeks and still start writing immediately.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What ink system does the CURIDAS use?\u003c\/h3\u003e\n\u003cp\u003eA: The CURIDAS PKN-9000 accepts \u003cstrong\u003estandard Platinum ink cartridges\u003c\/strong\u003e and is also compatible with the \u003cstrong\u003ePlatinum PQR-200 piston converter\u003c\/strong\u003e and \u003cstrong\u003ePlatinum CONV-800A vacuum converter\u003c\/strong\u003e (both sold separately), enabling use with any bottled fountain pen ink.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What nib size and material does it have?\u003c\/h3\u003e\n\u003cp\u003eA: The CURIDAS PKN-9000 features a \u003cstrong\u003erhodium-plated stainless steel nib with an iridium tip\u003c\/strong\u003e. Please refer to the variant options above for available nib sizes. The rhodium plating adds corrosion resistance and a bright, silver-white visual finish consistent with the pen’s premium aesthetic.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is this pen practical for everyday carry, or is it primarily a collector’s piece?\u003c\/h3\u003e\n\u003cp\u003eA: Both. The retractable nib and Slip \u0026amp; Seal mechanism make the CURIDAS \u003cstrong\u003eone of the most practical fountain pens for everyday pocket carry\u003c\/strong\u003e — no cap to lose, one-handed operation, immediate ink readiness. At the same time, the Gemstone Limited Edition finish and limited production status make it a meaningful collector’s acquisition. It is unusual in being genuinely both.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How does the CURIDAS compare to the Pilot Vanishing Point?\u003c\/h3\u003e\n\u003cp\u003eA: The \u003cstrong\u003ePilot Vanishing Point\u003c\/strong\u003e is the other major retractable fountain pen on the market and a frequent comparison point. Key differences: the Vanishing Point uses a conventional exposed nib when extended (no inner seal mechanism); the CURIDAS uses Platinum’s Slip \u0026amp; Seal system for superior nib protection when retracted. The Vanishing Point’s clip is positioned at the front of the pen (which some writers find uncomfortable in hand); the CURIDAS has a standard rear-mounted clip. Both are excellent instruments — the CURIDAS is generally preferred by writers who prioritise nib protection and a conventional pen feel in the hand.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is this a limited edition that will be discontinued?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. The PKN-9000 Gemstone series is a \u003cstrong\u003elimited production edition\u003c\/strong\u003e. Once the current production run sells through, it will not be reissued in the same colourways or finish. If you are considering it as a collector’s piece or a gift, we recommend purchasing sooner rather than later. Standard CURIDAS models will continue to be available; the Gemstone Edition will not.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Blue \/ 0.38mm F","offer_id":56051852804401,"sku":"PKN-9000C-1","price":145.0,"currency_code":"USD","in_stock":false},{"title":"Blue \/ 0.5mm M","offer_id":56051852837169,"sku":"PKN-9000C-2","price":145.0,"currency_code":"USD","in_stock":false},{"title":"Green \/ 0.38mm F","offer_id":56051852869937,"sku":"PKN-9000C-3","price":145.0,"currency_code":"USD","in_stock":true},{"title":"Green \/ 0.5mm M","offer_id":56051852902705,"sku":"PKN-9000C-4","price":145.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ 0.38mm F","offer_id":56051852935473,"sku":"PKN-9000C-5","price":145.0,"currency_code":"USD","in_stock":true},{"title":"Purple \/ 0.5mm M","offer_id":56051852968241,"sku":"PKN-9000C-6","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01bhC4Gf1XQ2QM82UbE__2200533992917.jpg_77c4041c-fbe8-42b3-b21b-7889311f9ddb.webp?v=1788179906"},{"product_id":"platinum-gsf-100b-oil-based-marker-set-large-capacity-art-markers-4-colour-12-colour-sets-fine-line-drawing-for-kids-artists","title":"Platinum GSF-100B Oil-Based Marker Set – Large Capacity Art Markers | 4-Colour \/ 12-Colour Sets | Fine Line Drawing for Kids \u0026 Artists","description":"\u003ch2\u003ePlatinum GSF-100B Oil-Based Marker Set – Large Capacity Fine Line Art Markers | 4-Colour \/ 12-Colour Sets | Kids, Students \u0026amp; Artists | Made in Japan\u003c\/h2\u003e\n\n\u003cp\u003eGreat lines start with the right marker. The \u003cstrong\u003ePlatinum GSF-100B\u003c\/strong\u003e is a professional-quality oil-based marker engineered for precise, consistent fine-line work — and designed to be accessible enough for primary school children and capable enough for serious artists. A \u003cstrong\u003elarge-capacity ink reservoir\u003c\/strong\u003e means fewer interruptions and more consistent colour from first line to last. An \u003cstrong\u003eoil-based ink formula\u003c\/strong\u003e delivers vivid, water-resistant marks on paper, card, and most art surfaces. Available in a \u003cstrong\u003e4-colour set\u003c\/strong\u003e for focused work and a \u003cstrong\u003e12-colour set\u003c\/strong\u003e for full creative range — both presented in clean, easy-to-store packaging that works in a classroom, a studio, or a child’s art corner.\u003c\/p\u003e\n\n\u003cp\u003eMade in Japan by Platinum Pen Co. — the same craftsmanship behind some of the world’s finest writing instruments, applied to the everyday art marker.\u003c\/p\u003e\n\n\u003ch3\u003e🎨 Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Platinum Pen Co., Ltd. (Japan) — established 1919\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e GSF-100B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk type:\u003c\/strong\u003e Oil-based — vivid, water-resistant, fast-drying on most surfaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip type:\u003c\/strong\u003e Fine line tip — precise mark-making for outlines, details, and controlled colouring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk capacity:\u003c\/strong\u003e Large reservoir — more ink per marker for longer use before replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSet options:\u003c\/strong\u003e 4-colour set \/ 12-colour set (select above)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurfaces:\u003c\/strong\u003e Paper, card, sketchbooks, illustration board, and most art surfaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e Primary school children (art class), students, illustrators, manga artists, fine line drawing, outlining, colouring, mixed media\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e💧 Oil-Based Ink – Why It Matters for Art\u003c\/h3\u003e\n\u003cp\u003eNot all markers are equal. The \u003cstrong\u003eoil-based ink formula\u003c\/strong\u003e in the GSF-100B delivers several advantages over water-based markers that matter in art and craft contexts:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e Marks do not bleed or smear when overworked with water-based media (watercolour washes, wet brushing over outlines). Ideal for ink-and-wash illustration techniques.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour vibrancy:\u003c\/strong\u003e Oil-based pigments maintain vivid, saturated colour on paper without the fading or dullness that can affect water-based dye markers over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast drying:\u003c\/strong\u003e Dries quickly on contact with paper, reducing smearing during left-to-right writing and drawing motions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface versatility:\u003c\/strong\u003e Adheres reliably to a wider range of surfaces than water-based markers, including some plastics, coated papers, and illustration boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🌈 4-Colour vs. 12-Colour – Which Set Is Right?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Colour Set —\u003c\/strong\u003e A focused palette covering core colours for outlining, basic colouring, and everyday art tasks. Ideal for younger children just starting out, travel art kits, or artists who use markers for outlining rather than full colouring. Compact, easy to manage, lower entry point.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12-Colour Set —\u003c\/strong\u003e A full working palette with a broad colour range covering primary, secondary, and accent colours. Suitable for more advanced colouring projects, illustration, character design, manga outlining with colour accents, and art class use where variety is needed. The recommended choice for most users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e👦👧 Designed for Children, Capable for Artists\u003c\/h3\u003e\n\u003cp\u003eThe GSF-100B is a rare marker that genuinely works at both ends of the skill spectrum. For \u003cstrong\u003eprimary school children\u003c\/strong\u003e, the fine tip supports learning to draw controlled lines and colour within boundaries — skills that develop hand-eye coordination and artistic confidence. The large ink capacity means the markers last through an entire school year of regular art classes without running dry mid-project. For \u003cstrong\u003estudent and adult artists\u003c\/strong\u003e, the oil-based formula, consistent tip performance, and Platinum’s quality manufacturing make the GSF-100B a reliable choice for illustration outlines, manga panel work, fine-detail colouring, and mixed-media projects where marker durability matters.\u003c\/p\u003e\n\n\u003ch3\u003e📦 What’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Colour Set:\u003c\/strong\u003e 4 × Platinum GSF-100B oil-based markers in assorted colours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12-Colour Set:\u003c\/strong\u003e 12 × Platinum GSF-100B oil-based markers in assorted colours\u003c\/li\u003e\n  \u003cli\u003eOriginal Platinum packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eQ: What set sizes are available?\u003c\/h3\u003e\n\u003cp\u003eA: The Platinum GSF-100B is available in two set sizes: a \u003cstrong\u003e4-colour set\u003c\/strong\u003e and a \u003cstrong\u003e12-colour set\u003c\/strong\u003e. Select your preferred option from the variants above before adding to cart. Both sets use the same GSF-100B marker body and oil-based ink formula.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Are these markers safe for young children?\u003c\/h3\u003e\n\u003cp\u003eA: The GSF-100B is widely used in primary school art classes in Japan. As with all oil-based markers, they should be used in a well-ventilated space and kept out of reach of very young children (under 3 years) who may put items in their mouth. For primary school age children (typically 6+) using them for art class under supervision, they are appropriate and widely used in school settings.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What surfaces can these markers be used on?\u003c\/h3\u003e\n\u003cp\u003eA: The oil-based ink in the GSF-100B adheres reliably to \u003cstrong\u003epaper, card, sketchbooks, illustration board, and most uncoated art surfaces\u003c\/strong\u003e. It also marks on some plastics and coated surfaces. It is not recommended for fabric or surfaces requiring a specialist textile marker. For standard art and drawing use, it is compatible with virtually all common art surfaces.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Are the marks waterproof once dry?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. Once dry, oil-based marker ink is \u003cstrong\u003ewater-resistant\u003c\/strong\u003e and will not bleed or re-activate when overworked with water-based media such as watercolour or diluted acrylic washes. This makes the GSF-100B particularly useful for ink-and-wash illustration techniques where a waterproof outline is applied first and colour is washed over the top.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How long do the markers last compared to standard markers?\u003c\/h3\u003e\n\u003cp\u003eA: The GSF-100B features a \u003cstrong\u003elarge-capacity ink reservoir\u003c\/strong\u003e that delivers more marks per marker than standard capacity equivalents. Under normal art class use (not continuous heavy coverage), a single marker should last through an extended period of regular use. Keeping the cap securely replaced after each use significantly extends marker life by preventing the oil-based ink from drying at the tip.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Can I use these for manga outlines or illustration work?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. The fine line tip, water-resistant oil-based ink, and consistent line quality make the GSF-100B well-suited for \u003cstrong\u003emanga panel outlines, character linework, and illustration detail work\u003c\/strong\u003e. The ink does not bleed through standard manga or illustration paper when applied with normal pressure. Many artists use oil-based fine line markers specifically because the dried line will not reactivate when colour is applied over the top with water-based markers or watercolour.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Can individual replacement markers be purchased, or only sets?\u003c\/h3\u003e\n\u003cp\u003eA: Please refer to our current product listings for individual colour availability. Where individual markers are available, they allow you to replace specific colours that run out without repurchasing a full set — a more economical long-term approach for regular users.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How does the Platinum GSF-100B compare to Copic or Staedtler markers?\u003c\/h3\u003e\n\u003cp\u003eA: The \u003cstrong\u003eCopic\u003c\/strong\u003e range is a professional alcohol-based marker system focused on smooth blending and broad coverage — excellent for illustration but significantly higher in price and primarily aimed at professional artists. \u003cstrong\u003eStaedtler Lumocolor\u003c\/strong\u003e markers are primarily designed for overhead projection and technical marking. The \u003cstrong\u003ePlatinum GSF-100B\u003c\/strong\u003e occupies a different position: an oil-based fine-line art marker that combines professional ink quality and large capacity with a price point accessible for school use and student budgets. It is not a blending marker system — it is optimised for precise line work, outlining, and controlled colouring rather than gradient blending.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"4 Color","offer_id":56051873710385,"sku":"GSF-100B-1","price":11.0,"currency_code":"USD","in_stock":true},{"title":"12 Color","offer_id":56051873743153,"sku":"GSF-100B-2","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01cNWjSA1XQ2KrWNYse__2200533992917.jpg_a4190f1d-f9ae-4bd6-abc8-42494569d838.webp?v=1788180712"},{"product_id":"platinum-pro-use-171-msda-1500-mechanical-pencil-05mm","title":"Platinum PRO-USE 171 MSDA-1500 Mechanical Pencil 0.5mm – Low Centre of Gravity Metal Body | Professional Drafting \u0026 Sketching | Made in Japan","description":"\u003ch2\u003ePlatinum PRO-USE 171 MSDA-1500 Mechanical Pencil 0.5mm – Low Centre of Gravity | All-Metal Professional Drafting \u0026amp; Sketching Pencil | Made in Japan\u003c\/h2\u003e\n\n\u003cp\u003eBalance is not an accident. The \u003cstrong\u003ePlatinum PRO-USE 171 MSDA-1500\u003c\/strong\u003e is a professional mechanical pencil engineered around a single principle that separates serious drafting instruments from consumer-grade alternatives: \u003cstrong\u003elow centre of gravity\u003c\/strong\u003e. By concentrating mass toward the grip and tip, the MSDA-1500 places control exactly where your hand is — reducing fatigue during long drawing sessions, improving line precision on steep angles, and giving the pencil a weighted, grounded feel that is immediately perceptible the moment you pick it up. The \u003cstrong\u003e0.5mm lead diameter\u003c\/strong\u003e, all-metal construction, knurled grip, and fixed lead pipe complete a specification designed for architects, industrial designers, technical illustrators, and anyone who draws with intent.\u003c\/p\u003e\n\n\u003cp\u003eMade in Japan by Platinum Pen Co. — established 1919. Professional tools, built to last.\u003c\/p\u003e\n\n\u003ch3\u003e✏️ Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Platinum Pen Co., Ltd. (Japan) — established 1919\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PRO-USE 171 \/ MSDA-1500\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead diameter:\u003c\/strong\u003e 0.5mm — the most versatile professional lead size\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead compatibility:\u003c\/strong\u003e All standard 0.5mm leads — HB, H, 2H, B, 2B, and specialty grades\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKey engineering feature:\u003c\/strong\u003e Low centre of gravity — mass concentrated toward the tip and grip for superior balance and control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody material:\u003c\/strong\u003e All-metal construction — brass or aluminium alloy, zero plastic barrel flex\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrip:\u003c\/strong\u003e Knurled metal grip section — secure contact without rubber, designed for sustained precision work\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead pipe:\u003c\/strong\u003e Fixed, non-retractable — allows precise tip placement against rules, templates, and set squares\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvance mechanism:\u003c\/strong\u003e Top-button push advance — smooth, consistent lead feed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEraser:\u003c\/strong\u003e Built-in eraser under the top cap, replaceable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Japan\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Architects, industrial designers, technical draughtspeople, illustrators, manga artists, engineering students, precision sketchers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚖️ Low Centre of Gravity – The Engineering Behind the Balance\u003c\/h3\u003e\n\u003cp\u003eMost mechanical pencils distribute weight evenly along the barrel — a compromise that is acceptable for occasional writing but becomes a liability during extended precision drawing. The \u003cstrong\u003eMSDA-1500’s low centre of gravity design\u003c\/strong\u003e deliberately shifts mass toward the lower barrel and grip zone, producing three measurable advantages for professional use:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduced hand fatigue:\u003c\/strong\u003e A lower centre of gravity means less rotational force acting on your wrist and fingers during angled drawing strokes. Over a long session of technical drawing or sketching, this difference is significant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved line control:\u003c\/strong\u003e With the pencil’s balance point closer to the working end, small adjustments in hand position translate more directly into changes in line direction — the pencil responds with less lag and more precision.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNatural grip angle:\u003c\/strong\u003e The weight distribution encourages a lower, more horizontal grip angle — the posture used by professionals for technical drawing — without requiring conscious effort to maintain it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📐 Built for the Drafting Table\u003c\/h3\u003e\n\u003cp\u003eThe PRO-USE 171 series is Platinum’s professional drafting line — not a premium consumer pencil with professional branding, but a tool category defined by specific engineering requirements that working professionals depend on. The \u003cstrong\u003efixed lead pipe\u003c\/strong\u003e allows the tip to be positioned with absolute precision against a straight edge, French curve, or technical template without the pipe deflecting or retracting. The \u003cstrong\u003eknurled metal grip\u003c\/strong\u003e maintains tactile contact through graphite dust, wet hands, and the sustained pressure of detailed line work without the degradation of rubber grip zones over time. The \u003cstrong\u003eall-metal body\u003c\/strong\u003e eliminates the micro-flex of plastic barrels that subtly undermines line quality during high-precision work. These are not marketing features — they are functional requirements for professional drafting, and the MSDA-1500 meets all of them.\u003c\/p\u003e\n\n\u003ch3\u003e🎨 0.5mm for Drafting \u0026amp; Sketching – Why This Lead Size\u003c\/h3\u003e\n\u003cp\u003eThe 0.5mm lead diameter occupies the professional sweet spot between the ultra-fine 0.3mm (fragile, limited tonal range) and the broader 0.7mm (less precise for detailed technical work). At 0.5mm, the MSDA-1500 delivers:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSufficient line fineness for technical annotation, detailed sketching, and architectural notation\u003c\/li\u003e\n  \u003cli\u003eAdequate lead strength to resist breakage under normal professional drawing pressure\u003c\/li\u003e\n  \u003cli\u003eCompatibility with the full range of professional lead grades from 4H to 4B\u003c\/li\u003e\n  \u003cli\u003eThe most readily available lead refill size across all professional brands worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📦 What’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Platinum PRO-USE 171 MSDA-1500 Mechanical Pencil (0.5mm)\u003c\/li\u003e\n  \u003cli\u003eHB lead loaded and ready to use\u003c\/li\u003e\n  \u003cli\u003eBuilt-in eraser under cap\u003c\/li\u003e\n  \u003cli\u003eOriginal Platinum packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eQ: What makes the MSDA-1500 different from the MSDA-3500B PRO-USE 171?\u003c\/h3\u003e\n\u003cp\u003eA: Both are professional drafting pencils from Platinum’s PRO-USE 171 series sharing the same core construction — all-metal body, fixed lead pipe, knurled grip, 0.5mm lead. The key distinction: the \u003cstrong\u003eMSDA-1500\u003c\/strong\u003e is the standard professional model, engineered with a \u003cstrong\u003elow centre of gravity\u003c\/strong\u003e as its defining balance characteristic. The \u003cstrong\u003eMSDA-3500B\u003c\/strong\u003e is the \u003cstrong\u003elimited edition Frost colour series\u003c\/strong\u003e (Frost Gold \/ Frost Silver) built on the same platform with premium finish colourways. If you are choosing on performance, both deliver professional results; if you are also choosing on aesthetics or collectibility, the MSDA-3500B Frost Edition adds that dimension.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What lead grades are compatible with the MSDA-1500?\u003c\/h3\u003e\n\u003cp\u003eA: The MSDA-1500 accepts all standard \u003cstrong\u003e0.5mm mechanical pencil leads\u003c\/strong\u003e in any grade — from 4H (very hard, very light) through HB (medium) to 4B (very soft, very dark). Specialty leads including non-photo blue, coloured, and premium graphite formulations from any brand are also compatible, provided they are 0.5mm diameter.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is the lead pipe retractable or fixed?\u003c\/h3\u003e\n\u003cp\u003eA: The lead pipe is \u003cstrong\u003efixed and non-retractable\u003c\/strong\u003e — a deliberate professional drafting design. This allows the tip to be placed precisely against straight edges, templates, and rulers without the pipe moving. A lead pipe protective cap is included for safe transport and storage.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What is low centre of gravity, and will I actually notice it?\u003c\/h3\u003e\n\u003cp\u003eA: Low centre of gravity means the pencil’s mass is concentrated toward the lower barrel and grip zone rather than distributed evenly or top-weighted. Yes — you will notice it. The pencil feels more “grounded” in the hand, sits more naturally at drawing angles without requiring wrist compensation, and produces less fatigue during long drawing sessions. The difference is most perceptible during sustained technical drawing rather than brief note-taking.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How does this pencil perform for freehand sketching versus technical drafting?\u003c\/h3\u003e\n\u003cp\u003eA: The MSDA-1500 performs well for both, but it is optimised for \u003cstrong\u003etechnical drafting\u003c\/strong\u003e — the fixed lead pipe, metal grip, and low-CG balance are drafting-table features. For freehand sketching, these same qualities deliver excellent line control and fatigue reduction; however, artists seeking a very expressive, loose sketching tool may prefer a lighter, more neutral-balanced pencil. For disciplined, controlled sketching — architectural sketching, product design ideation, figure drawing with structure — the MSDA-1500 excels.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Does it come with leads, and which grade?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. The MSDA-1500 comes with \u003cstrong\u003eHB lead loaded\u003c\/strong\u003e and ready to use. HB is the standard medium grade — suitable for most general drafting and sketching use. Additional leads in any grade can be loaded by advancing the existing lead out and feeding new leads through the tip opening.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is there a built-in eraser?\u003c\/h3\u003e\n\u003cp\u003eA: Yes. A \u003cstrong\u003esmall eraser is built into the pencil under the top cap\u003c\/strong\u003e. It is replaceable with standard 0.5mm mechanical pencil eraser refills when exhausted. For larger erasure tasks, a separate block or stick eraser is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eQ: How does the Platinum PRO-USE 171 MSDA-1500 compare to the Pentel GraphGear 1000 or Staedtler 925?\u003c\/h3\u003e\n\u003cp\u003eA: All three are professional all-metal drafting pencils with fixed lead pipes and knurled grips — direct competitors in the professional drafting category. The \u003cstrong\u003ePentel GraphGear 1000\u003c\/strong\u003e is top-weighted (heavier toward the top), which some draughtspeople prefer for a pendulum-like feel. The \u003cstrong\u003eStaedtler 925\u003c\/strong\u003e series has a more neutral balance. The \u003cstrong\u003ePlatinum MSDA-1500\u003c\/strong\u003e’s defining characteristic is its \u003cstrong\u003elow centre of gravity\u003c\/strong\u003e — bottom-weighted balance that many professional users find superior for sustained angled drawing. Choice between them ultimately comes down to personal balance preference; all three perform at a professional standard.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Black","offer_id":56051942523185,"sku":"MSDA-1500C-1","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":56051942555953,"sku":"MSDA-1500C-2","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01lfURJx1XQ2KJCLjss__2200533992917.jpg_4865c3a0-590d-437b-8085-50240fe0f171.webp?v=1788183068"}],"url":"https:\/\/tetpen.com\/collections\/platinum.oembed","provider":"TTpen","version":"1.0","type":"link"}