Specification Brand : Metabo BulletPoint : Replaceable motor brushes extend tool life BulletPoint1 : For resin fiber abrasives discs BulletPoint2 : Use with Metabo and other 9" sander/grinders with 5/8" - 11 spindle BulletPoint3 : Max: 6600 RPM BulletPoint4 : They work well for cleaning rust off steel, removing light pitting, softening hard edges on parts, and cleaning up stone ground surfaces. Much less aggressive than sandpaper drums, but more aggressive than coarse polishing compound BulletPoint5 : If you're a DYI'er, hobbyist, technician, etc., you'll appreciate having these to get the best from your rotary tool. They fit my Dremel and my off-brand rotary tools. Color : White CompatibleDevices : Angle Grinder CompatibleMaterial : Wood,ceramic,alloy,glass,metal,steel,stone ConstructionType : Grinding CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 8994244751557 ExternallyAssignedProductIdentifier1 : 4007430406392 ExternallyAssignedProductIdentifier2 : 04007430406392 ExternallyAssignedProductIdentifier3 : 00731056701022 FinishType : Finish IncludedComponents : 1 Metabo Branded Product ItemName : Metabo - Application: - 9" Flex Backing Pad 5/8"-11 (623282000), Other Metal & Grinders Accessories , White ItemPackageDimensions_Height : 25.4 centimeters ItemPackageDimensions_Length : 1.8 centimeters ItemPackageDimensions_Width : 21.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : power-rotary-tools Manufacturer : Metabo Material : vanadium alloy Material1 : Metal Material2 : Diamond MaximumRotationalSpeed : 5000 rpm MinimumSpeed : 30000 rpm ModelName : 623282000 ModelNumber : 623282000 NumberOfItems : 1 PackageLevel : unit PartNumber : 62328200 PowerSourceType : Corded Electric ProductDescription : Material: Green Rubber The shank diameter:1/8" (3mm) Cylinder Grinding Head :10mm Use in ring and jewelry making Package Included: 30 pieces 3*10mm Rubber polishing burrs