DMT TCKIT-F Sharpener Kit for Turners and Carvers Specialty honing with diamond slip stones and flat credit card style stone with convenient durable folding storage pouch Fine diamond for a razor sharp edge Sharpens knives faster that conventional stones with DMT's micronized monocrystalline diamond surface No oil is needed - sharpen dry or with water Durable construction will provide years of consistent performance and reliable service