Pilot FriXion Ball 0.7mm Erasable Gel Pens, Fine Point, Blue Ink, Pack Of 6 Pack of 6 fine point pens with blue ink Erase and rewrite repeatedly without damaging documents - Eraser is at the top of the pen Unique Thermo-Sensitive gel ink formula disappears with erasing friction Retractable and refillable - FriXion refill model sold separately