Pilot FriXion Point Knock Retractable Erasable Ink Gel Pen 0.4mm - 3x BLACK

"Friction Point Knock 04" is an ultra-fine, erasable ballpoint pen that utilizes the features of "Friction" that disappears when rubbed

"Synergy tip" consists of a "pipe tip", which has a structure that supports the ball at a point by adding a hollow to the tip of an ultra-fine stainless steel pipe suitable for fine writing, and a conical shape used for general ballpoint pens, which increases the tip strength. It is a chip with a structure and shape that takes advantage of the features of each of the "corn chips" that are strong, stable and easy to write. As a result, while the nib is ideal for fine writing, the nib's strength is high, and the ink supply is smooth, allowing for smooth writing.

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 Point 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 LFPKRF-12S4 refills