6-inch Half-Round Diamond File for Metal, Metal Grinding, Hand Files and Rasps, Sharpening Tools for Jewelry, Stone, Wood, Tile, Glass, Jade

The material of these metal files is a diamond coating and carbide steel, which significantly increases the product's lifespan and durability. Superior performance: This set of needle files has excellent heat dissipation, preventing the workpiece surface from blackening, discoloring, or being left behind due to overheating during grinding. There is minimal noise and dust during grinding, and unlike wire brushes, it won't pose a risk of rust or accidental drops. The non-slip plastic handle is comfortable to hold. Wide range of uses: Diamond files are best suited for fine work and can be used on high-speed steel with a hardness of 69. They are particularly effective on metals such as stainless steel, titanium, and high-nickel alloys. Widely used in various molds, models, parts, crafts, and other industries, for grinding, polishing, engraving, cutting, and correction. jade, ceramics, glass, crystal, metal, cemented carbide and other pieces.