Pink Pentel Energel X BL-107 Rollerball Gel Pen The EnerGel X pen from Pentel has a retractable, metal tip rollerball with Ultra quick drying, smooth flowing ink. Available in 12 different colours, this pen lays ink down smoothly, is quick-drying and smudge-proof which makes it particularly suitable for left-handers. The tip is 0.7mm which writes a 0.35mm line. Each pen has a strong pocket clip and is made from 84% recycled materials. Ink colour is the same as pen colour.