FriXion Synergy Clicker Erasable Gel Pen, Retractable, Extra-Fine 0.5 mm, Blue Ink, Black/Blue Barrel, Dozen The first special edition pen from FriXion®—one of America's top selling erasable pen brands. Patented Synergy tip for wonderfully detailed, incredibly smooth writing. Unique, thermo-sensitive, erasable gel ink formula. Write, erase and rewrite repeatedly without damaging documents. Unique pocket clip doubles as the retract mechanism. Refillable.
