Minimize time and money spent at the salon with this at home maintenance tool. This foot file is not only rechargeable, cordless and waterproof but it also contains 1 Regular coarse roller head, 1 Ultra Coarse roller head with Diamond Crystals and 1 exfoliation brush. The roller heads are specially designed to quickly and effectively buff away hard dead skin, remove calluses and smooth dry cracked heels. Effortlessly tailor your weekly footcare routine to your specific needs by combining the dual speed system with any of the 3 included roller heads for noticeably softer, smoother feet in an instant*. For optimal smoothness use regularly and replace roller heads every 3 months. Always read and follow the directions. Please ensure the product is right for you.