Uniball Signo 307 Gel Rollerball Black

The uni-ball Signo 307 Rollerball is a gel pen that is retractable which prevents the nib from drying out and allows leak-free storage. The ink it uses is Uni Super Ink that makes it waterproof, fraud resistant and permanent perfect for legal documents or for scrapbooking. It’s rubberised grip makes it comfortable to use for long periods, and it’s newly developed nib makes it perfect for long essays, if you are a student the Signo 307 is a must.