






🖋️ Elevate your writing game—because your ideas deserve precision and style.
The Uni-Ball Signo UM-100 Gel Ink Pen features a micro 0.5mm tip that writes ultra-fine 0.3mm lines with waterproof pigment ink. Engineered in Japan, it boasts a stainless-steel tip with a tungsten carbide ball and a Uni-Flow system for smooth, consistent ink delivery. Its transparent barrel lets you monitor ink levels, making it a trusted choice for professionals seeking precision and reliability.
| Manufacturer | Uni-ball |
| Brand | uni-ball |
| Model Number | BC30647 |
| Product Dimensions | 15.8 x 6 x 3 cm; 12 g |
| Colour | Blue |
| Grip Type | Ergonomic Grip |
| Material Type | Plastic |
| Point Type | Extra Fine |
| Line Size | 0.5mm |
| Ink Colour | Blue |
| Manufacturer Part Number | 4902778947081 |
| Item Weight | 12 g |
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