SHARPENING CERAMIC COMBINATION WHETSTONE - 3000/8000 - EDGE MASTERIncludes two whetstones: Fine 3000 Grit: use for fine sharpening and removal of burrs smooths the knife edge and 8000 Grit Superfine Sharpening for the thinnest and sharpest of knives, tools, etc. and polishing of all fine blades Submerge the whetstone in water for approximately five minutes before use Mount stone in the rubber base and place on a non slip surface Ensure whetstones remain wet while sharpening Avoid removing the powder build up as it