[High Quality] These burrs are made of tungsten carbide steel for long life, high durability and abrasion performance. [Feature] The 2.35 shank mm is suitable for many electric or pneumatic tools and machine tools. [Practical] 10 different shapes of drill bit composition, meet your needs. This carbide burr set helps your rotary tool be even more functional. [Portable] Compact size, easy to use and carry. Packed with a nice plastic tray for safety storage and protection. [Application] This rotary file can be used on cast iron, cast steel, bearing steel, steel high carbon, chromium-nickel alloy, bronze, brass, tile, marble, jade and bone. They are specially designed to carve, shape and remove edges or angles, burrs and excess material. Description: These cutters are made of tungsten carbide steel for long life, high durability and abrasion performance. 10pcs different shapes of drill composition, meet your needs. This set of carbide burrs helps your rotary tool be even more functional. They are specially designed to carve, shape and remove edges or angles, burrs and excess material. Parameters: Material: Steel tungsten carbide Shank diameter: 2.35mm Head diameter: 6mm Quantity: 10pcs Weight: 70g / 2.5oz Package list: 10 burrs