Feature 1Dimensions: Total length 4963mm/1.932.48in, shank diameter 6mm/0.24in, outer diameter of the tip 8mm /0.32in, tip blade length 7.220mm/0.280.79in. 2Durable Construction: Using highquality heattreated tungsten carbide, the hardness can reach HRC70, durable to use, very suitable for fine detail work. 3Multipurpose Tool: These cutting burr set is widely used in metal products, woodworking, model engineering, wood carving, jewelry making, welding, chamfering, casting, deburring, grinding, etc. 4Easy to Use: Generally can be used with handheld electric or pneumatic tools (also for machine tools, the speed of electric/pneumatic tools is usually around 600050000 rpm. 5Long Service Life: Ten times higher than the durability of highspeed steel cutters, and more than 200 times higher than the durability of small grinding wheels.Item Type:DieGrinderBitMaterial: Tungsten carbideGranularity: 1000 (mesh)Outer Diameter: Approx. 8mm/0.32inShank Diameter: Approx. 6mm/0.24inPurpose: Polishing and grindingApplication: Tungsten steel grinding head has a wide range of uses, and is used in machinery, aviation, automobile, shipbuilding, chemical industry, craft carving and other industrial sectors .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List5 x GrinderBit5 xStorage Box