• FriXion Knock 0.4mm Erasable Ballpoint Pen

FriXion Knock 0.4mm Erasable Ballpoint Pen

Pilot co-founders Ryosuke Namiki and Masao Wada established the company in 1918 with the trademark, “Pilot” being chosen for its meaning of “someone who guides the course of the ship,” as Namiki and Wada aspired to do in the pen industry. They both dreamed of developing a gold-nib fountain pen created completely in Japan and accomplished this in 1925. Soon after, they developed the LACCANAITE lacquering method which is integral to their now world-renowned maki-e fountain pens. Today, Pilot creates a variety of pens and pencils including the popular FriXion line, which erases with friction or heat.


  • 5.6" in length
  • Erasable 0.4mm gel pen
  • Thermosensitive ink turns invisible when rubbed with the special friction "eraser"
  • Colored ink
  • Retractable
  • Ink will disappear in hot temperatures. We suggest not using these to address envelopes or on important documents.
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