Model Number:Health Gearsn3zec0f29 Product Dimensions:10 x 7 x 1 cm; 74 Grams Material:Tungsten carbide Item Weight:74 g 10 different types: oval, inverted cone, pointed cone, ball nose cone, ball nose, pointed tree nose, flame, ball, cylinder with round head, cylinder with end cutWide applications: Cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum and other metals, and marble, jade, bone, etc.Specifications:Shaft diameter: 3mmDrill Bit size: 6mmHandle size: 38mmCompatibility: smaller rotary toolsApplication: Burr, flat weld, de-flashPackage Included:10 x Tungsten Steel Solid Carbide Burrs1x Storage Box [Quality Material]: The rotary file bit set made of tungsten steel carbide, powerful strength, high efficiency, high-quality finish, for long service life [Great Performance]: High hardness, thick teeth design, durable in use; Unique tooth angle prevents chipping for the longest lasting design possible [Used for]: Suitable for the processing of woodworking, aluminum, plastic, metal, stone, glass fiber, porcelain and other material [Versatile]: Widely used for metalwork, tool making, model engineering, wood carving, jewelry making,welding, chamfering, casting, deburring, grinding, cylinder head porting and sculpting [10 Different Types]: There are total 10pcs single cut burrs in various shapes and sizes that you can use for many purposes [Quality Material] [Great Performance] [Used for] [Versatile] [10 Different Types]