Hanson8 3000 # Grit Red Ruby Oilstone Millstone Large Ruby Sharpener Stone Grinder Polishing Whetstone Tool 200*50*25mm H5K8Q

100% brand new and high qualityRuby oilstone is made by high-temperature sintering, with high hardness and strength. The product is rose red in color, with a delicate and compact structure, and a surface that is almost not easy to wear. It has high hardness and is suitable for processing workpieces with high toughness, such as quenched steel, alloy steel, precision measuring tools, and instrument parts, which require high smoothness. When grinding a ruby oilstone, only a few drops of water need to be added, resulting in a very sharp blade that is suitable for cutting and fine grinding.Ruby oilstone is suitable for polishing tungsten steel molds, hardened materials such as alloy steel or cutting edges with high hardnessSuitable sharpening tools: kitchen knives, kitchen knives, bone cutters, bone cutters, outdoor knives, scissors, chisels, etcSpecification:Length: 200mmWidth: 50mmThickness: 25mmGrit: 1500#,3000#,5000#How to use it ?1. Before use, soak the grinding stone in water for 5 minutes to fully absorb water2. Place it smoothly on the platform and polish it according to the blade angle, which can be polished back and forth3. First, use 3000 # fine grinding to repair the small blade, remove burrs, and consolidate the blade4. Use 8000 # precision grinding, polishing, mirror polishing, and blade protectionAfter grinding the tool, wipe it with a warm cloth or rinse it with water. The grinding stone can be directly rinsed with water and placed in a ventilated place to dry.Package included: 1PC ruby sharpener stone