Part Number:T256770-L001274482FBA Package Dimensions:14.2 x 10.6 x 1.2 cm; 100 Grams Finish:Aluminium Material:Metal Item Package Quantity:1 Batteries included?:No Batteries Required?:No Item Weight:100 g 10 different shapes of head, fit for all types of grinding, drilling, welding, carving, polishing, deburring, engraving and removing sharp edges. 1/8" shank fits most rotary tools and mold grinders with accurate centering. Great for DIY woodworking, carving, carving, polishing, cutting, jewelry making, casting, grinding, and more. AFFORDABLE SET: 20pcs carbide rotary burr sets are made of high-quality tungsten carbide steel, which is sharp, strong, has a long working life, and is more durable than high-speed steel tools. Overall length: 38-50mm, cutting diameter 3mm&6mm, shank length 23mm&35mm, shank diameter 1/8 inch. With a wide choice of shapes to suit your needs. DOUBLE CUT DESIGN: The groove lines of these rotary burrs grinding heads are crossed. The carving tool can even process a variety of high-precision mold cavities. Drill bit grinding heads also can be used on wood, iron, carbon steel, alloy steel, stainless steel, copper, aluminum, and other metals, and marble, jade, bone, etc. PRECISION AND EFFICIENCY: Smooth surface after engraving, free from dust and pollution. 3mm solid rotary burr for detailed work and 6mm die grinder bits for quick material moving, and the processing efficiency is much higher than that of manual files and small grinding wheels with shanks. The specially designed multi-slot burr greatly improves work efficiency. POTABLE AND DURABLE: 1/8" shank fits most rotary tools and mold grinders with accurate centering. The speed of the rotary tools usually is 6000-50000 RPM. 20PCS wood carving bits are packaged in individual small plastic boxes with individual slots for safe storage and protection. WIDE APPLICATIONS: Cutting burrs set widely used for metalwork, toolmaking, model engineering, wood carving, jewelry making, welding, chamfering, casting, deburring, grinding, cylinder head porting, and sculpting. See more product details AFFORDABLE SET: 20pcs carbide rotary burr sets are made of high-quality tungsten carbide steel, which is sharp, strong, has a long working life, and is more durable than high-speed steel tools. Overall length: 38-50mm, cutting diameter 3mm&6mm, shank length 23mm&35mm, shank diameter 1/8 inch. With a wide choice of shapes to suit your needs. DOUBLE CUT DESIGN: The groove lines of these rotary burrs grinding heads are crossed. The carving tool can even process a variety of high-precision mold cavities. Drill bit grinding heads also can be used on wood, iron, carbon steel, alloy steel, stainless steel, copper, aluminum, and other metals, and marble, jade, bone, etc. PRECISION AND EFFICIENCY: Smooth surface after engraving, free from dust and pollution. 3mm solid rotary burr for detailed work and 6mm die grinder bits for quick material moving, and the processing efficiency is much higher than that of manual files and small grinding wheels with shanks. The specially designed multi-slot burr greatly improves work efficiency. POTABLE AND DURABLE: 1/8" shank fits most rotary tools and mold grinders with accurate centering. The speed of the rotary tools usually is 6000-50000 RPM. 20PCS wood carving bits are packaged in individual small plastic boxes with individual slots for safe storage and protection. WIDE APPLICATIONS: Cutting burrs set widely used for metalwork, toolmaking, model engineering, wood carving, jewelry making, welding, chamfering, casting, deburring, grinding, cylinder head porting, and sculpting.