PIL31174 - Pilot G2-7 Retractable Gel Roller Pen Sold as 12/DZ. Premium, retractable gel roller pens deliver super-smooth writing with its long-writing, smear-proof, gel ink formula. The translucent barrel features a contoured rubber grip for writing comfort and displays the ink supply. Use the clip to attach to pockets, notebooks and more. Simply press the plunger on top to retract the fine point. G2-7 Retractable Gel Roller is refillable.