Pilot Frixion Point Knock 04 Replacement Refills Black LFPKRF30S43B x 3 [3-pack] (3-pack)

Type: Frixion Ball 0.4mm Refill, 3-pack (compatible with both retractable and capped pens) Pen tip: Ultra-fine 0.4mm ballpoint Refill size: Total length: 111mm, Maximum diameter: 6.0mm Main applicable products: Frixion Point Knock, Frixion Point ◆Features of the Frixion Series ■Feature 1: Ink becomes transparent with temperature changes! ●A new concept ballpoint pen equipped with "Frixion ink" that becomes colorless with temperature changes. ●Because "Frixion ink" has a set decolorization temperature, the friction heat generated by rubbing the ink with the special rubber at the back of the body causes the ink to become colorless, allowing you to erase the writing. ■Feature 2: No eraser residue. Minimal erased residue. ●Unlike writing instruments that use erasers, it makes the ink of the writing colorless with friction heat, so no eraser residue is produced. ●It is also characterized by having very little erased residue compared to the erased marks of pencils and mechanical pencils. ■Feature 3: Can be written and erased any number of times. ●Unlike chemical formulas such as ink erasing fluid, it is possible to write repeatedly on the erased area. ■How to use After the writing has dried, rub it with the rubber at the back of the barrel to erase the color. *Cannot be used for official documents or addressing envelopes.