Pilot’s HERFS-10 is a set of eraser refills that sells in Japan for 100 JPY. In Japan the set is known as the Sharp rubber S.
These are standard sized mechanical pencil refills that will fit almost all professionally-focused mechanical and drafting pencils. They are made of a firm rubber and shaped like a cylinder that is 4.2 mm in diameter and 12.5 mm long.
This refill set includes a cleaning rod which will be helpful if your mechanical pencil is jammed.
Pilot HERFS-10 Pencil Erasers Information
|Street Price||Check Price|
|Max Body Width||4.2|