Pilot FriXion Synergy Knock Retractable Erasable Ink Gel Pen 0.4mm 5x BLACK
* Thermosensitive ink found in other FriXion pens with a sleek, retractable pen body.
* The special rubber eraser at the top of each pen allows you to erase conveniently without pressing the retraction mechanism.
* The pens write smoothly and erase without a trace
* The FriXion Synergy Knock tip combines the precision of a needle point with the durability of a conical point.
* FriXion pens use a special thermosensitive ink that turns invisible when rubbed with the built-in friction "eraser."
* The ink disappears cleanly without using up the eraser or creating any dust or smearing.
* Erased FriXion ink may reappears if placed in a freezer or otherwise exposed to temperatures below (-10° C)
* Refillable with Pilot FriXion Knock refills PILOT LFRF-143-B
