The G107 Gel rollerball gives the user an effortless writing experience with its new generation of Gel Ink. Precision is guaranteed with the fine 0.7mm tip, and the contoured barrel helps to keep you comfortable when writing for long periods of time. You can also wave goodbye to waste with the G107, which features a refillable cartridge so you can save money and be kind to the environment! 0.7mm tip gives a 0.32mm medium line.