Pentel Eraser Refills for Sharp Kerry/EnerGize-X/Wow Pencil/Gizmo/Cushi/Hot Shots/Technica-X, White, 4/Tube, 3 Tubes/Pack Eraser refills for Pentel mechanical pencils lift lead markings off paper with very little pressure. Won't scratch or tear paper; erases cleanly with no dust. Non-abrasive eraser will not crack or harden with age and remains soft and ready to use.