Write, Erase, Repeat! NEVER cross out again with FriXion Ball Clicker, the RETRACTABLE erasable pen from Pilot! Write smoothly with the fine-point FriXion Ball Clicker, erase with the FriXion eraser and rewrite immediately. 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. Thanks to the patented thermo-sensitive ink, PILOT has - true to tradition - revolutionised writing with the erasable pen FriXion Ball Clicker. Available in a variety of shades, there's a FriXion Ball Clicker for everyone! Save yourself money and be kind to the environment by refilling your FriXion Ball Clicker pen instead of buying a new one - it's never been easier to be green! 0.5mm tip gives a 0.25mm fine stroke width. Because of the erasable ink, FriXion Ball Clicker must not to be used for signatures, legal documents, examination papers or other documents where writing needs to be of a permanent nature.