Pilot G-105 Gel Rollerball Pen 0.5mm Tip 0.32mm Line Black (Pack 12) - 101201The gel ink pioneer from Pilot. The G105 Gel rollerball gives the user an effortless writing experience with its new generation of gel ink. Precision is guaranteed with the fine 0. 5mm tip, and the contoured barrel helps to keep you comfortable when writing for long periods of time. The G105 comes in your staple essential colour range for everyday use. You can also wave goodbye to waste with the G105, which features a refillable cartridge so you can