Specification Brand : ARC Abrasives BulletPoint : Price For: Each BulletPoint1 : Meet Different Needs: 20Pcs grinding heads are abundant in quantity and various in shapes to meet your different needs. BulletPoint2 : High Compatibility: Rotary burr set fits most rotary tool or die grinders with high compatibility and easy replacement. BulletPoint3 : Reliable Performance: The grinder bit set is ideal for fine detail work, polishing, grinding, cutting, engraving, carving, retouching and finishing. BulletPoint4 : Widely be Used: Highly recommended for carving and polishing stone, metal, jades and ceramics, DIY crafts, craft styling, home repairs(wood, plastic) and more. BulletPoint5 : Premium Material: The grinder bit set is made of good quality emery material, wear resistant, compression resistant, impact resistant, come with 150 grit and 3mm shank diameter. Color : Green CompatibleMaterial : Metal ConstructionType : Coated ItemName : Flap Wheel, AO, 3x1/2x1/4 in Shank, 60G ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : abrasive-flap-wheels ItemTypeName : merchandise Manufacturer : ARC ABRASIVES Material : Aluminum Oxide MaximumRotationalSpeed : 20000 rpm ModelName : Silicon jewelry polisher ModelNumber : 11364 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 100 PartNumber : 11364 ProductDescription : 'Mounted Flap Wheel, Mounted Flap Wheel, Shank Type Straight, Abrasive Type Coated, Abrasive Material Aluminum Oxide, Diameter 3 In., Face Width 1/2 In., Abrasive Shank Size 1/4 In., Abrasive Grit 60, Abrasive Grade Coarse, Max. RPM 20,000' ProductSiteLaunchDate : 2012-05-26T01:22:23.446Z Seasons : All Seasons Size : Fine Style : Box SupplierDeclaredDgHzRegulation : unknown TargetGender : unisex UnitCount : 100 WarrantyDescription : return within 30 days for refund