Uni-Ball Signo UMN-207 Pen Refills - 0.7mm Nib - Gel Ink - BLUE- Pack of 6

Uni-ball Signo 207 Compatible Gel Pen Refills - 0.7mm (0.4mm Line) - 6pc Blue. ✔ Precision Fit - Designed specifically for Signo 207 pens. Why Professionals Choose Signo 207. Long-Lasting: Each refill writes ~500m.

eBay