Gritomatic makes additional lapping for Idahone Ultra-Fine and Medium Ceramic stones

Ruby Ceramic stones should be used with oil as a lubricant (oleic acid

Although Washita is the most well-known among vintage natural stones

Heavy-duty material

Turkish Oil Stone (Pierre Du Levant) is very rare sharpening stone used for super finish sharpening knives on KME or Hapstone knife sharpeners

chinese bluestone for edge pro Gritomatic makes additional lapping forChinese Bluestones are used for finish sharpening knives using Hapstone or Edge Pro knife sharpener. Estimated grit for Bluestone is approximately 5000 JIS. Bluestones are available in 6 mm thickness, and are mounted on high quality aluminum blanks. Chinese Bluestones stones are universal, and can be used to sharpen knives of any steel. May have slight natural imperfections; this is not a defect. How to use Chinese Bluestone is preliminary lapped and