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 ...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, which removes dry skin without much effort. The tiny files are immediately effective, amazingly easy, and surprisingly gentle leaving feet feeling smooth and refreshed.