The FriXion rollerball pen has a unique gel ink that responds to the heat generated by the eraser, allowing mistakes to be written over immediately with the same pen. Ideal for home or in the office, it offers a comfortable hold with its ergonomic grip and features a handy clip on the lid for attaching it to papers and notebooks while out and about. Refillable for economy and long lasting use, the FriXion rollerball has a medium 0.7mm tip for precise lines and smooth, fluid writing. This pack contains 12 pens, plus 12 refills. FriXion rollerball with erasable gel ink Ergonomic rubber grip for comfortable use Retractable tip with a single click of the patented PILOT clip Handy clip for attaching to papers, notebooks and pockets Medium 0.7mm tip for smooth writing without smudging Barrel made from sturdy materials for durability Barrel colour matches ink colour Ink colour: Blue Pack of 12 pens and 12 refills Pack of 24