Pilot G-Tec-C4 ultra-fine gel roller in an assorted set of 10 colours. The incredible Pilot G-Tec-C4 rollerball writes a 0.2mm line of pure gel ink colour without spreading, thanks to hi-tech bio-polymer ink. One of each available colour: Black, Red, Blue, Green, Yellow, Brown, Orange, Purple, Pink and Light Blue. 0.4mm tip writes a 0.2mm line.