uni-ball Zento 3 Gel Ink Refills UBR-ZML-38, 0.38mm, Black / Blue / Red, 3-Pack

uni-ball Zento 3 UBR-ZML-38 Replacement Gel Ink Refills

Keep your uni-ball Zento 3 multi-color pen ready to write with UBR-ZML-38 replacement gel ink refills. Featuring a 0.38mm tip, these refills are available in black, blue, and red ink, with three replacement refills per pack.

Use them for small handwriting, detailed notes, planner entries, and color-coded annotations. Choose your preferred ink color and keep spare refills on hand for your next writing session.

Key Specifications

• Brand: uni-ball.
• Compatible pen series: Zento 3 multi-color pen.
• Refill model: UBR-ZML-38.
• Tip size: 0.38mm.
• Ink type: Gel ink.
• Available ink colors: Black, Blue, Red.
• Pack size: 3 replacement refills.

Compatibility & Color Selection

Check that your pen specifies the UBR-ZML-38 refill before purchasing. A matching tip size alone does not guarantee compatibility with other uni-ball pens.

Black, Blue, and Red are selectable ink colors. Do not assume the pack includes one of each color unless the selected option explicitly states a mixed-color assortment.

Frequently Asked Questions

Which pen are these refills designed for?

These UBR-ZML-38 refills are for the uni-ball Zento 3 multi-color pen. Check your specific pen's refill requirements before ordering.

What is the tip size?

Each refill has a 0.38mm tip.

Is this the same model as the 0.5mm version?

No. This listing is for UBR-ZML-38 with a 0.38mm tip. The 0.5mm version is listed separately as UBR-ZML-05.

Which ink colors can I choose?

Black, blue, and red ink options are available.

How many refills are included?

Each pack contains three replacement refills.

Does the pack contain all three ink colors?

The colors are offered as selectable options. A mixed pack containing one black, one blue, and one red refill should only be expected if explicitly stated in the selected option.

Is a complete pen included?

No. This listing is for replacement refills, not a complete pen.