Feature:1. 10PCS BITS: Including 10pcs grinding bits, double cut design, with different specifications to meet different grinding requirements.2. STANDARD SHANK: These rotary burrs have glossy shank, with standard size, and can be well installed on electric tools, which is stable and reliable.3. MULTIPLE USAGES: These grinding bits are mainly used to clean welding scar, remove burrs, chamfer forming, metal rust removal, etc, with good practicability.4. TOOL ATTACHMENT: These rotary grinding bits are applicable to all kinds of pneumatic and electric drive tools, need to be clamped during operation.5. METAL MATERIAL: These chamfer bits are made of carbide tungsten steel with high hardness, wear resistance and corrosion resistance.Specification:Item Type: Grinding BitsMaterial: Carbide Tungsten SteelPurpose: Used for cleaning welding scar, removing burr, chamfering and forming, metal rust removal and other scenes.Package List:10 x Grinding Bits1 x Plastic Box