Fast & Easy: A micronized monocrystalline diamond surface sharpens edges faster and easier than conventional sharpening stones; No messy oils are needed either -- sharpen dry or with water Made in the USA or Imported Diamond Wet Stone Sharpening Kit: An excellent counter and bench sharpener, this flat, two-surfaced diamond stone comes with a base accessory and features a large, wide surface for consistent, even sharpening Dual Diamond Surface: Extra-fine diamond (9 micron /1200 mesh) can be used to polish and refine edges after sharpening; Fine diamond (25 micron / 600 mesh) initially hones edges Versatile: Engineered to accommodate a range of edges from knives and scissors to small pointed tools, this diamond stone sharpener is guaranteed to provide cutting-edge performance Fast & Easy: A micronized monocrystalline diamond surface sharpens edges faster and easier than conventional sharpening stones; No messy oils are needed either -- sharpen dry or with water Made In The USA: Preferred by professionals for their superior quality and versatility, our durable diamond sharpening stones are built to provide years of consistent performance and reliable service