Diamond stones will sharpen steel, HSS and tungsten carbide tools and may also be used to abrade glass, ceramic tiles and porcelain. Diamond stones may be used dry or with water as a lubricant. Always dry the stone after use and before storing. Clean the stone occasionally, using soapy water and a soft brush. A 4-sided diamond sharpening stone supplied with a worksafe surface gripping base for quick, easy and effortless sharpening of any blade. RED - 600 GRIT FINEGREEN - 400 GRIT MEDIUMYELLOW - 300 GRIT COARSEBLUE - 200 GRIT EXTRA COARSE
