Pentel Hi-Polymer Eraser Mixed Pack 4 Cap Erasers, 1 Small Block, 1 Large Block, Pack of 6 (ZEH2510BP) Our best selling Hi-Polymer eraser now in a pencil cap size Block style is perfect for getting into little corners or erasing large areas quickly High quality latex-free eraser removes lead easily and cleanly with very little pressure No smudges, no paper tears and no ghosting Doesn't crack or harden with age; remains soft and ready to use