1Helps remove old dead skin and calluses on the soles of the feet, and make foot skin smooth and delicate. 2Quickly and effectively exfoliate skin, does not damage the normal skin of the foot, bring you convenience. 3Excellent stainless steel material, the grinding head will not rust, and has good durability and cutting performance. 4Strong hardness, high temperature resistance, corrosion resistance, longlasting wear resistance, easy to clean. 52.35mm universal handle diameter, specially designed for most nail drill machine, easy to install.