Metal Grinding Bits for Rotary Tool, Rotary Burr Set Carving Tool, Tungsten Steel Grinding Burrs for Repairing Impeller Passage[Clean Flash]: This rotary burrs can clean flash, burrs, and welds of cast, forged, and welded parts, such as machine foundries, shipyards, automobile factories[Repair Function]: This cutting burs can repair the chamfering, rounding and groove processing of various mechanical parts, and finishing the inner hole surface of mechanical parts, such as machinery factories, repair shops[Finishing and Welding Joints]: This drill file bit metal can be cast, forged and welded joints[High-quality Tungsten Steel]: This die grinder bits for metal adopts high-quality tungsten steel, which has high strength, wear resistance and durability, good quality, high finish, and can process high-precision mold cavities of various shapes[Easy to Use]: This tungsten steel grinding burr is simple and convenient to use, safe and reliable, which can reduce labor intensity and improve working environmentColour: BlackSize: as shownQuantity: 5pcsKind tips:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding.3. Only the above package contents, excluding other products.