Specification Brand : Value Collection BulletPoint1 : Brush Diameter (Inch) 2-3/4 BulletPoint2 : Fill Material Brass BulletPoint3 : Filament/Wire Diameter (Decimal Inch) 0.0080 BulletPoint4 : Wire Type Crimped BulletPoint5 : Arbor Type Shank CompatibleMaterial1 : Stainless Steel CompatibleMaterial2 : Alloy Steel ExternallyAssignedProductIdentifier1 : 0707326108716 ExternallyAssignedProductIdentifier2 : 707326108716 ItemName : Value Collection - 2-3/4" Diam, 1/4" Shank Diam, Brass Fill Cup Brush - 0.008 Wire Diam, 7/8" Trim Length, 8,500 Max RPM (4 Pack) ItemPackageQuantity : 4 ItemTypeKeyword : abrasive-cup-brushes Manufacturer : Value Collection Material : Brass NumberOfItems : 4 NumberOfPieces : 4 PartNumber : 74038639 ProductDescription : Brass is softer than steel and stainless steel and will not scratch harder surfaces. It will not generate sparks when brushing metallic surfaces and works best on copper and brass. ProductSiteLaunchDate : 2020-01-03T04:10:30.236Z UnitCount : 1