1、COMPATIBLE TOOL MODELS: Rotary burr for angle grinder is durable with smooth chip removal and efficient grinding 2、SUITABLE FOR VARIOUS WORKING CONDITIONS: Rotary file can be used for wood products, plastic and other soft materials such as carving, chamfering, hollowing, slotting, reaming, etc. 3、HIGH EFFICIENCY AND DURABLE: Carbide rotary burr has high heat resistance, continuous cutting edge without deformation or edge breaking, incisive and durable 4、UNIQUE TECHNOLOGY: Grinding rotary burr adopts carbon steel material to increase wear resistance after quenching process 5、INCISIVE AND WEAR RESISTANT: Cylindrical rotary file after a unique finishing treatment, the cutting edge is incisive, suitable for woodworking 2 x Grinding Rotary Burr Item Type: Grinding Rotary BurrMaterial: No. 45 carbon steelApplication: Suitable for wood products, plastic and other soft materials carving, chamfering, hollowing, slotting, reaming and so onSize: Approx. 20mm / 0.79in, 25mm / 0.98in