Uni-Ball 60382 [ SAN60382 ]: Vision Stick Roller Ball Pen, Purple Ink, Fine. Soft grip makes extended writing sessions more comfortable. Barrel windows reveal the amount of remaining ink. Features Uni-Super Ink that helps prevent against check & document fraud. Special Ink Type: Water-Proof; Pen Style: Stick; Ink Color(s): Majestic Purple; Pen Type: Roller Ball. ..