uni-ball Signo Gel Grip Rollerball Pen
Ink Type: The Signo Gel Grip has uni Super Ink™ which is pigment based, archival, and tamper resistant. The pigment binds with the cellulose in paper to make the ink permanent once dry. This ink is water, chemical, & light resistant. These pens have black ink.
Tip Style: .7mm rollerball tip
Ideal Uses: Great for all writing needs.