The Checi Pro Nickel Coarse Foot File safely, gently and thoroughly files away hard, built-up skin and smoothes dry, cracked heels for an unsurpassable smooth pedicure. This file has a coarse grit for severely callused feet. Its light weight design with an easy to grip handle and thin curved head allows you to file even hard-to-reach areas and in-between toes. Checi Pro Files can be sanitized with any plastic-safe sanitizing solution. Works perfectly on dry or wet feet, allowing you to have beautiful feet at all times.