Specification Brand : Norton BulletPoint1 : AVOS disc (Allows View Of Surface) for a cooler cut than discs without holes, that also allows the operator to see the surface as it is being worked BulletPoint2 : Zirconia alumina and ceramic aluminum oxide combine to produce fast, aggressive cutting BulletPoint3 : Zirconia alumina is self-sharpening and durable, allowing for a faster cut rate than aluminum oxide, ceramic aluminum oxide is a self-sharpening grit that is harder, tougher, and lasts longer than aluminum oxide BulletPoint4 : Closed coat for a higher-quality finish than an open-coat disc BulletPoint5 : This disc is used with a molded rubber or foam backing pad (sold separately) CompatibleDevices : Die Grinder ConstructionType : Coated ExternallyAssignedProductIdentifier1 : 662611374569 ExternallyAssignedProductIdentifier2 : 0662611374569 ExternallyAssignedProductIdentifier3 : 30662611374560 ExternallyAssignedProductIdentifier4 : 10662611374566 FasteningType : Metal Three Finger Quick Change IndustryStandardIdentifier : F826P ItemName : Norton BlueFire F826P AVOS Edger Speed-Lok Abrasive Disc, Fiber Backing, Zirconia Alumina, 7" Diameter, Grit 50 (Box of 25) ItemPackageDimensions_Height : 8.89 centimeters ItemPackageDimensions_Length : 19.558 centimeters ItemPackageDimensions_Width : 19.304 centimeters ItemPackageQuantity : 10 ItemTypeKeyword : fiber-backed-abrasive-discs Manufacturer : St. Gobain Abrasives Material : Silicone Carbide Material1 : Aluminum Oxide Material2 : NorZon Material3 : Ceramic ModelNumber : 66261137456 NumberOfItems : 25 PartNumber : 66261137456 ProductSiteLaunchDate : 2011-01-06T00:00:01-08:00 Size : 7 " SupplierDeclaredDgHzRegulation : unknown UnitCount : 25