Exo 10mm Hard Sanding Caps in very coarse 60 grit are intended for substantial reduction of heavy callused skin during professional pedicure work. The 100-piece box balances salon stock volume with a compact, model-specific cap size. 60-grit specification Very coarse abrasive grade Purpose: heavy callus reduction 10 mm diameter Hard composite inner cap Cosmetic-corundum surface White finish; 100 caps