Pilot Multicolor Refill Frixion Ball Slim LFBTRF30UF3C X 5 3 Colors X 5 Packs 0.38mm

■This product comes as a 5-pack set. FriXion ballpoint pen that erases ink when rubbed. Replacement refill ■Size (1 piece): Maximum diameter Φ3.6mm x total length 87.5mm ■Specifications: Ball core = 0.38 mm, Color = Black, Red, Blue ■Main applicable products: Frixion Ball, other colors, Slim ◎This product is a set of 5 packs of friction refills, each pack containing 3 refills. When rubbed, the ink becomes transparent. "FriXion Series" refill. Uses a unique "friction ink" that disappears when the temperature exceeds a certain level. When you rub the handwriting with a special rubber, the frictional heat generated turns the ink colorless and transparent. No eraser dust comes out even when rubbed. The ink is rendered colorless by utilizing temperature changes, so no eraser residue is produced. It can also erase handwriting that has gotten into the grain of the paper, so there is almost no residue left behind. You can write and erase anything as many times as you like. You can rewrite the erased parts as many times as you like.