Pilot Frixion Ball REFILLS 0.7mm LFPKRF30F3B - SET of 3 BLACK
Eraserable ink by friction
Each refill has thermosensitive ink
Suitable for Pilot FriXion Ball or Clicker Knock Retractable Gel Ink Pen
Writes smoothly and erases without a trace
The ink disappears cleanly without using up the eraser or creating any dust or smearing.