Helps Reduce Corns & Calluses Keeps Feet Soft & Smooth Two Unique Filing Surfaces Non-Slip Handle Quickly Reduces Corns and Calluses Smooth corns and calluses. This handy file features a fine emery surface to reduce rough, dry areas and a coarse stainless-steel surface to help remove extra-hard skin. A non-slip handle provides precise control. 1 per pack.