PILOT FriXion Medium Black Roller Refill Blister Pack of 3 Pieces

* Refillable Frixion erasable. No eraser, no correction fluid, no damage to the paper. * The special ink reacts to heat: by rubbing with the rubber tip of the pen, the ink becomes invisible. * Advanced technology. Re-writable immediately. * Stroke width 0.35mm - Tip width 0.7mm.