The diamond can almost anything, it can shake any turntable, even the mysterious high-speed steel with a hardness of 69, but it cannot be used to repair large shapes. It can only be used to repair details. When using it, it is on the edge of the blade. The direction can push and file a neat edge line. In theory, it has no losses. This product is made of high strength diamond and high quality electroplating. It is sharp, wear-resistant, high-strength, and has physical properties, strengthening and wear resistance. Widely used in various molds, models, parts, handicrafts and other industries, such as: polishing, polishing, engraving, cutting, drilling, correcting jade, ceramic, glass, glass, metal, alloy and other parts. A high quality diamond file set specially designed for hard to reach odd-shaped objects; Super hard industrial diamond permanently embedded in the steel tip for excellent material removal; Shape helpers for deburring, fixing broken glass, mirrors, tile, ceramics, and professional applications Diamond is a kind of emery electroplated (silicon carbide, hardness 95. It is composed of carbon and silicon by a covalent bond, no diamond is hard and no diamond is expensive.) It is a professional processing tool, tempered cemented carbide and gears. It is characterized by high accuracy, the use of diamond files does not have the diagonal stripes of steel files for general tools and; Hardened cemented carbide, high hardness steel, ceramics, glass, etc. are perfect tools for the production and processing of workpieces in industries such as bearings, molds and gears., Weight: 0.20502990366 Pounds, Manufacturer: Rtxbvg