Pilot FriXion Clicker Retractable Gel Ink Pens, Eraseable, Fine Point 0.7mm, Navy Blue Ink, Pack of 12 with Bonus Packs of Refills Pilot FriXion Ball Erasable Gel Pens now come in a retractable style with the FriXion Clicker. The thermo-sensitive gel ink formula disappears with the erasing friction of a rubber tail plug eraser on the top of each pen. Erasing leaves no residue or debris and each pen can write on the same spot that has been erased. The tip is retractable by pressing clip down - no cap to lose! Each FriXion Clicker pen delivers smooth writing gel ink that is not only erasable, but it is refillable too. Note: FriXion Erasable Pens are not recommended for signatures or official legal documents.