Specification Brand : Norton BulletPoint1 : P-graded aluminum oxide is tough and offers a very consistent scratch pattern for a high-quality finish BulletPoint2 : Open-coat construction for more flexibility and clog resistance than a closed-coat disc BulletPoint3 : Paper backing for flexibility, and can be used wet or dry BulletPoint4 : Hook and loop fastener for ease of use and quick disc changes BulletPoint5 : Used with a molded rubber or foam backing pad (sold separately) CompatibleDevices : Die Grinder ConstructionType : Coated FasteningType : Hook and Loop ItemName : Norton A275 No-Fil Adalox NorGrip Abrasive Disc, Light Weight Paper Backing, Hook-and-Loop, Aluminum Oxide, Waterproof, 3" Diameter, Grit 500 (Pack of 50) ItemPackageQuantity : 1 ItemTypeKeyword : fiber-backed-abrasive-discs Manufacturer : St Gobain Abrasives Material1 : Aluminum Oxide Material2 : Rubber Material3 : Fiberglass Material4 : Silicon Carbide ModelNumber : 66261131521 NumberOfItems : 50 PartNumber : 66261131521 ProductSiteLaunchDate : 2011-01-14T00:00:01-08:00 Size : 3" UnitCount : 50