The Checi Pro Nickel Dual Sided Foot File combines the grits and benefits of both a Medium Foot File and Coarse Foot File, with a much larger abrasive area. This file safely and gently smoothes away corns and rough skin. This file has both a medium and coarse grit for average to severely rough skin and features a hypoallergenic abrasive. The surgical stainless steel material is sterilizable, easy to clean and also features an ergonomic handle. Works perfectly on dry or wet feet. The Checi Pro Nickel Dual Sided Foot File is safe with no sharp cutting edges, is long lasting, and durable.