Uni-ball Signo UM-100 0.5mm Pens 10-Pack

The Signo Standard — Fine and Precise

The Uni-ball Signo UM-100 0.5mm delivers the trusted Signo gel ink experience in a fine 0.5mm line — ideal for compact handwriting, detailed note-taking, and anyone who prefers a more precise writing feel. This 10-pack offers outstanding value for regular users.

Key Features

• 10-pack — excellent value for office, school, and study use
• 0.5mm fine tip for precise, clean gel ink writing
• Signo gel ink — consistent flow, vibrant colour, quick-dry formula
• Classic capped design — reliable and straightforward
• Premium Uni-ball engineering — trusted Japanese stationery brand

Specifications

• Brand: Uni-ball
• Model: Signo UM-100
• Tip Size: 0.5mm
• Ink Type: Gel Ink
• Quantity: 10 Pack

FAQ

Q: What ink colour is included in the 10 Pack?

A: Please refer to product images or the variant selected for the exact ink colour included.

Q: How does the 0.5mm differ from the 0.7mm and 0.8mm Signo UM-100?

A: The 0.5mm produces a finer, more precise line — ideal for compact handwriting and detailed notes. The 0.7mm and 0.8mm produce broader, bolder lines suited to everyday writing and signing.

Q: Is the Uni-ball Signo UM-100 refillable?

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

Q: Is the Signo UM-100 suitable for exam use?

A: Yes. The 0.5mm fine tip and clean black/blue ink output meet standard requirements for most exam and test papers.