Dual-Grit Diamond Sharpening Stone – Features 400G coarse grit for re-sharpening blunt, dull or damaged blades and 1000G fine grit for final honing and precision finishing, providing two sharpening options in one replacement whetstone for maximum versatility. Flat & Long-Lasting Surface – The metal stone is coated with monocrystalline and unlike traditional stones, the diamond surface remains flat and resists grooving, ensuring long-lasting durability, consistent sharpening and accurate straight edges on precision tools. Fast, Consistent & Versatile Tool Applications – Designed for fast, consistent and effortless sharpening of a variety of tools and materials, ideal for knives, chisels, plane irons, scissors, router bits, cutting blades and it can also be used on harder materials such as abrade glass, ceramic tiles, porcelain, carbon steel, HSS and tungsten carbide tools. Use Wet or Dry, No Oil Needed – Can be used dry or with water as a lubricant, avoiding the mess of oils while delivering smooth, consistent sharpening results every time. Reliable Replacement Whetstone – Measuring 200 x 70mm, the 8mm thick double-sided stone is designed fast, consistent and effortless sharpening and honing of a variety of tools and materials., Manufacturer: Faithfull