Parts List: 5×Rotary Burr Highlight description: [Carbide Material] This 5-piece rotary burr set is made of carbide material, which is tough. It has a processing hardness of up to HRC70, making it very suitable for engraving, polishing and drilling [Double Cutting] Compared with grinding wheel or steel cutter, our double burr set can cut hardened steel cleanly and quickly, with smoother surface and no dust pollution [Suitable for Processing Metal and Non-Metal] Our carving burr set is widely used for processing metals (including hardened steel) and non-metals (such as wood, bone and marble), and work with die grinders and drill bits [Size Details] The rotary burr shank is 1/4inch (6mm), head 5/16inch (8mm), total length 58-65mm. Cutting burr shape includes spherical, round head, pointed tree, cylindrical with end cut and cylindrical with round head [Scope of Application] This 1/4inch shank carving burr set is widely used for woodworking engraving, mold processing, burr cleaning and impeller polishing. The package is equipped with a plastic box for safe storage and protection Detailed description: Description: This rotary burr set adopts double cutting head design and suitable for engraving, polishing and drilling. It is made of carbide material and can cut hardened steel cleanly and quickly. It can be used for woodworking engraving, mold processing, etc. Feature: Practical Tool: This wood engraving burr bit is very tough and practical to be used for various material. It provides different types of rotary burrs to meet different needs. Easy to Store: Our wood engraving rotary file bit is easy to store with the equipped storage box. It can work with die grinders and drill bits. Specification: Product Name: Rotary Burr Set Material: Carbide Color: Silver Size: Shank Diameter: 1/4inch (6mm) Blade Head Diameter: 5/16inch (8mm) Model: A/C/D/F/G Color: As Shown Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. [Carbide Material] This 5-piece rotary burr set is made of carbide material, which is tough. It has a processing hardness of up to HRC70, making it very suitable for engraving, polishing and drilling [Double Cutting] Compared with grinding wheel or steel cutter, our double burr set can cut hardened steel cleanly and quickly, with smoother surface and no dust pollution [Suitable for Processing Metal and Non-Metal] Our carving burr set is widely used for processing metals (including hardened steel) and non-metals (such as wood, bone and marble), and work with die grinders and drill bits [Size Details] The rotary burr shank is 1/4inch (6mm), head 5/16inch (8mm), total length 58-65mm. Cutting burr shape includes spherical, round head, pointed tree, cylindrical with end cut and cylindrical with round head [Scope of Application] This 1/4inch shank carving burr set is widely used for woodworking engraving, mold processing, burr cleaning and impeller polishing. The package is equipped with a plastic box for safe storage and protection