(3 Colors Available) Pilot FriXion Ball Clicker 0.5mm Refills – Blue(8342)Product Features:- Erasable gel ink refills, with 3 refills per pack.- FriXion ink is a thermosensitive ink that can be erased by rubbing. To erase, use the special rubber “eraser” tip at the top of the pen and watch the ink cleanly disappear- Rewritable-erase and rewrite repeatedly without damaging documents- Fine point 0.5mm. Writes smooth, erases clean.- Made in Japan