The Microplane; Sole Surfer Foot File delivers delightful results within seconds of its first use and can be trusted to keep feet in beach-ready condition all year round! Tough calluses and dry skin quickly disappear! The latest application of a unique Microplane etching process created the innovative micro-file design, removing dry skin without much effort. The tiny files are immediately effective, amazingly easy, and surprisingly gentle leaving feet feeling smooth and refreshed.