Specification Brand : ILOVETOOL BulletPoint1 : Product use:apply to stone carving, jade carving, bone carving, egg decorating, glass carving etc. BulletPoint2 : Used for sculpturing, dressing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many the abrasive materials BulletPoint3 : Wet use recommended BulletPoint4 : Head Diameter: 40mm (1-9/16") ; Shank Diameter: 8mm (5/16") ; Total Length: 90mm ( 3-9/16"); Grit: 80 (Coarse) BulletPoint5 : The Mounted Point can be installed on the electric grinder, hanging mill and hand electric drill (not included here). Color : Silver CompatibleMaterial : Ceramic,decorating,glass,metal,stone ExternallyAssignedProductIdentifier1 : 0708747506914 ExternallyAssignedProductIdentifier2 : 708747506914 ItemName : ILOVETOOL Spherical Grinding Ball Head 40mm Round Diamond Burr Abrasive Grinding Mounted Points ItemPackageDimensions_Height : 7.62 centimeters ItemPackageDimensions_Length : 4.3942 centimeters ItemPackageDimensions_Width : 4.8006 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : cutting-burrs Manufacturer : ILOVETOOL Material : Metal NumberOfItems : 1 PartNumber : 708747506914 ProductDescription : ILOVETOOL 40 mm Dia Spherical Head Diamond Grinding Bit Coated Mounted Points Round Ball Burs Grit 80 Coarse Shank 8 mm Tools for Stone Product Name: Diamond Mounted Point Tip Shape: Spherical / Round Ball Material: Metal, Diamond Head Diameter: 40mm (1-9/16") Shank Diameter: 8mm (5/16") Total Length: 90mm ( 3-9/16") Grit: 80 (Coarse) Color: Silver Tone Quantity: Only 1 Piece Description: Diamond coated head can be installed on the electronic grinder, hanging mill and hand electric drill (not included here). Used for sculpturing, dressing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many other abrasive materials.We Can List Any Size & Amount Of This Product: Head diameter from 1 mm to 50 mm ProductSiteLaunchDate : 2017-08-25T07:00:00.000Z Size : Head Diameter 40 mm UnitCount : 1