Double-sided fine and medium grit ceramic stone with comfortable handle design for use on wet or dry feet to smooth corns, calluses and rough skin. Two-in-one fine and medium grit ceramic stone foot file. Grooved handle design offers a comfortable, secure grip. Double sided for ease of use with both hands. Great to use on wet or dry skin to smooth corns, calluses and rough skin. Tip-to-Grip Lifetime Guarantee.