The G307 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 soft grip on the barrel helps to keep you comfortable when writing for long periods of time. The G307 comes in three colours: Black, Red and Blue. You can also wave goodbye to waste with the G307, as it is refillable so you can save money and be kind to the environment!0.7mm tip gives a 0.39mm medium line.