Signo 307 Gel Ink Rollerball – UMN-307

UMN-307 | Nib size: 0.7mm  

The uni-ball Signo 307 Rollerball is a retractable gel pen preventing the nib from drying out and allows leak-free storage. The 307 uses uni Super Ink that makes it waterproof, fraud resistant and permanent. This makes it perfect for legal documents or for scrapbooking.

It’s rubberised grip makes it comfortable to use for long periods. The Signo 307 has a newly developed nib makes it perfect for long essays. If you are a student the Signo 307 is a must.

This pen comes with a 0.7mm nib and is available in black, blue and red.


Works on



Retractable, Rubberised Grip