Pentel PDE-1 Eraser Refills for Mechanical Pencils Pack of 6 Tubes (30 Erasers);

Refill Eraser For AL, AX and PD Series Pencils 5 pcs/Tube, 3-Pk Pentel Co., Ltd. is a privately held Japanese company which produces stationery products. The name is a combination of the English words pen and tell. Pentel is also the inventor of non-permanent marker technology.