The Pentel EnerGel Xm Retractable rollerball is the latest EnerGel pen, boasting a stylish metal-look barrel. There's a rubber grip area with grooved fingerprint pattern, and a metal pocket clip. Pentel claim that their hybrid liquid gel ink is smoother flowing and quicker drying than ordinary gel ink. 0.7mm tip writes a 0.35mm line. Set of 12 contains one of each available colour. Refillable with LR7 refill. Pentel RECYCOLOGY Pen - contains at least 50% recycled materials by weight.