Pilot's best-selling rollerball allows you to cleanly write, erase the ink by friction and rewrite all with the same pen. Simply rub out your mistakes with the eraser stud and watch the ink disappear as if by magic. The unique gel ink responds to the heat generated by the rubbing out and lets you write over your mistake immediately with the same pen. Erase and rewrite repeatedly without damaging documents. Convenient retractable design with incredible FriXion erasable gel ink. Eraser is at the top of the pen. Unique thermo-sensitive gel ink disappears with erasing friction. Effectiveness and writing comfort thanks to the unique fluidity and ultra-softness of the Pilot gel ink. Refillable product more economical and respectful of the environment. A fine retractable tip that pops out with a click no more lost caps. Pilot fine-tip FriXion Ball Clicker, erase with the FriXion eraser and rewrite immediately.