Pilot FriXion Clicker Retractable Gel Ink Pens, Eraseable, Fine Point 0.7mm, Blue Ink, Pack of 3 with Bundle 2 Packs of Refills Write smoothly and erase clean with the convenience of FriXion pens. 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.