Remove writing mistakes with just the right amount of friction Thermo-sensitive ink allows you to write smoothly, erase clean and rewrite. Modern slim non-rolling capped design. Lightweight plastic barrel features a ribbed grip for control. FriXion Pens part of a large selection of office supplies. Pilot(R) FriXion Ball Erasable Gel Color Stix Pens, Fine Point, 0.7mm, Assorted Barrel Colors, Assorted Ink Colors, Pack Of 5 is one of many Gel Pens available through Office Depot. Made by FriXion.