Specification Brand : HARFINGTON BulletPoint1 : Size - 6/8/10/12/14/16mm diamond-coated grinding bit, spherical shape grinder head, high strength, and good coaxiality. BulletPoint2 : Material - Made of carbide and the diamond coated grinding head, higher wear resistance, and durable use. BulletPoint3 : Application - Can be used for polishing and engraving precision sanding, grinding glass, hardwood, marble, stone, ceramics, gems, agate and most hard metals such as iron, silver, and other metals. Suitable for sharpening, deburring, grinding, and carving. BulletPoint4 : Features - Good grinding tools for precious stone jade carving, mold repairing, cast cleaning, rust polishing, and DIY hobbyists. BulletPoint5 : Note - The 3/32 Inch (2.35mm) shank bit fits most electronic grinders, engraving machines, hanging mills, etc. Please be careful of flying chips during use! Color : As Shownx2pcs CompatibleDevices : Die Grinder CompatibleMaterial : Iron CompatibleMaterial1 : Glass CompatibleMaterial2 : Stainless Steel CompatibleMaterial3 : Wood CompatibleMaterial4 : Ceramic ConstructionType : Coated IncludedComponents : Grinding Bits ItemDisplayDimensions_Length : 5.91 centimeters ItemName : HARFINGTON 12pcs Diamond Grinding Head 6/8/10/12/14/16mm Dia 1/8" Shank Carving Drill Bits Spherical Head Rotary Tool for Grinding, Polishing, Engraving Jade, Jewelry, Stone, Ceramic ItemPackageDimensions_Height : 0.67 inches ItemPackageDimensions_Length : 3.54 inches ItemPackageDimensions_Width : 2.36 inches ItemTypeKeyword : abrasive-grinding-mounted-points Manufacturer : HARFINGTON Material : Stainless Steel Material1 : Diamond Material2 : Carbide ModelName : Grinding Mounted Points ModelNumber : 23555T705I054Q PartNumber : hta231126hh000366 ProductDescription : Diamond-coated grinding bit, spherical shape grinder head, high strength, and good coaxiality. Made of carbide and the diamond coated grinding head, higher wear resistance, and durable use. This grinding drill bit is suitable for quickly cutting, sharpening, deburring, grinding, rust polishing, carving, and repairing. Good grinding tool for the rough grinding surface of materials such as jade, ceramic, glass, wood, marble, and precious stone. The round shank bit fits most electronic grinders, engraving machines, hanging mills, etc. Note - Please be careful of flying chips during use!