* Portable, lightweight with convenient fold & go handles which enclose and protect the diamond whetstone when not in use * Two sided sharpener with extra fine diamond to provide the finest polished edge of all bonded diamond abrasives and extra-fine diamond to polish and refine an edge * Sharpens knives and tools faster than conventional stones with monocrystalline diamond surface * No oil is needed-sharpen dry or with water * Durable construction will provide years of consistent performance and reliable service * Sharpens knives and tools faster than conventional stones with monocrystalline diamond surface * No oil is needed-sharpen dry or with water * Durable construction will provide years of consistent performance and reliable service