General description The 10pcs Tungsten Carbide Rotary Burrs set is designed for high-performance metal grinding and woodworking tasks. Made from high-quality tungsten steel, these burrs offer exceptional durability and efficiency, making them suitable for a variety of materials including iron, steel, stainless steel, copper, and aluminum. Technical specifications Material: Tungsten steel Machining hardness: HRA 85 Shank diameter: 3 mm Cutting edge diameter: 6 mm Total length: 43.5 ~ 50 mm Compatibility and accessories Compatible with most rotary tools such as Dremel, Proxxon, Mister Tool, Einhell, and similar machines. Usage Engraving Chamfering Grooving Reaming Hollowing Polishing metal surfaces Other information Processing efficiency is ten times higher than manual sanding tools and small handle grinding wheels. Comes in a portable box for easy storage and organization.