Specification Brand : HARFINGTON BulletPoint1 : Size - 4-1/2 Inch diameter and 7/8 Inch arbor hole Fiber Sanding Discs are coated with a durable grain of 24 Grit. BulletPoint10 : Package Contents: 2 Discs/Pack BulletPoint2 : Material - The fiber sanding disc has zirconia alumina particles attached to a strong vulcanized fiber base, fully resin-bonded, with excellent hardness and high-temperature, wear, and corrosion resistance. BulletPoint3 : Feature - Zirconia Alumina Resin grinding discs are suitable for grinding difficult-to-machine materials, especially in duty grinding and long-term operations. They can effectively remove burrs and perform efficient polishing. BulletPoint4 : Usage - Simply attach the disc to your angle grinding or power tool, and use it only with the backing pad and nut, then gently place it on the surface that needs to be trimmed or polished, working with the appropriate speed and pressure. BulletPoint5 : Application - Fiber grinding and polishing discs are widely used in the processing of metal wood and glass materials, including stainless steel, alloy steel, non-ferrous metals (such as aluminum or brass), cast iron or wood crafts, etc. BulletPoint6 : Makes Tough Shaping Or Grinding Easy BulletPoint7 : Available In Grits: Fiber Disc: Coarse 36, 60; Flap Disc: Coarse 40, 60 BulletPoint8 : Size: 7" Diameter BulletPoint9 : Grit: Coarse / 36 Color : Red Brown CompatibleDevices : Angle Grinder CompatibleMaterial : Multiple Materials ConstructionType : Coated CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 0721511911349 ExternallyAssignedProductIdentifier2 : 721511911349 ExternallyAssignedProductIdentifier3 : 00888730014067 FitType : Universal Fit GpsrSafetyAttestation : 1 IncludedComponents : 2 pack of discs IndustryStandardIdentifier : Backing Pad ItemName : HARFINGTON 25PCS Zirconia Alumina Resin Fiber Grinding and Sanding Discs 4-1/2" x 7/8" 24 Grit Fiber Abrasive Discs for Grinding Polishing ItemPackageDimensions_Height : 3.74 inches ItemPackageDimensions_Length : 6.5 inches ItemPackageDimensions_Width : 5.71 inches ItemPackageQuantity : 25 ItemTypeKeyword : fiber-backed-abrasive-discs Manufacturer : HARFINGTON Material : NorZon ModelName : 3M Fiber Disc ModelNumber : FBRDISC7IN36 NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : htf240318hh000189 PowerSourceType : Battery Powered ProductDescription : The fiber sanding disc has zirconia alumina particles attached to a strong vulcanized fiber base, fully resin-bonded, with excellent hardness and high-temperature, wear, and corrosion resistance. Zirconia Alumina Resin grinding discs are suitable for grinding difficult-to-machine materials, especially in duty grinding and long-term operations. They can effectively remove burrs and perform efficient polishing. Fiber grinding and polishing discs are widely used in the processing of metal wood and glass materials, including stainless steel, alloy steel, non-ferrous metals (such as aluminum or brass), cast iron or wood crafts, etc. Simply attach the disc to your angle grinding or power tool, and use it only with the backing pad and nut, then gently place it on the surface that needs to be trimmed or polished, working with the appropriate speed and pressure.