Uni-ball Signo UM-100 0.8mm Pens 10-Pack

The Uni-ball Signo UM-100 0.8mm delivers the same trusted Signo gel ink performance in a broader, bolder 0.8mm line. Ideal for those who prefer a more expressive, fluid writing experience — whether for signing, note-taking, or everyday office writing. This 10-pack offers outstanding value for regular users.

Key Features

• Bulk Value: 10-pack provides excellent value for office, school, and study use.
• Bold Application: 0.8mm broad tip for bold, expressive gel ink writing.
• Consistent Flow: Signo gel ink offers vibrant colour and a quick-dry formula.
• Classic Design: Reliable and straightforward capped design.
• Premium Quality: Engineered by Uni-ball, a trusted Japanese stationery brand.

Specifications

• Brand: Uni-ball
• Product Type: Gel Pen
• Tip Size: 0.8mm
• Ink Type: Signo Gel Ink
• Quantity: Pack of 10

FAQ

What ink colour is included in the 10 Pack?

This specific set includes standard silver ink.

How does the 0.8mm differ from the 0.7mm Signo UM-100?

The 0.8mm produces a slightly broader, more expressive line — ideal for signing and those who prefer a bolder ink feel on the page.

Is the Uni-ball Signo UM-100 refillable?

The UM-100 is not designed to be refilled and is intended as a disposable gel pen.

Is the Signo UM-100 suitable for office use?

Yes. The consistent output and reliable capped design make the UM-100 a popular choice for office documents and professional writing.