Specification Brand : Osborn BulletPoint1 : Brush Diameter (Inch) 2-1/2 BulletPoint2 : Fill Material Steel BulletPoint3 : Filament/Wire Diameter (Decimal Inch) 0.0140 BulletPoint4 : Wire Type Crimped BulletPoint5 : Arbor Type Shank CompatibleMaterial : Wood CompatibleMaterial1 : Wood CompatibleMaterial2 : Aluminum CompatibleMaterial3 : Alloy Steel ExternallyAssignedProductIdentifier1 : 0707326108211 ExternallyAssignedProductIdentifier2 : 707326108211 ItemName : Osborn - 2-1/2" Diam, 1/4" Shank Diam, Steel Fill Cup Brush - 0.014 Wire Diam, 5/8" Trim Length, 4,500 Max RPM (5 Pack) ItemPackageQuantity : 5 ItemTypeKeyword : abrasive-cup-brushes Manufacturer : Osborn Material : steel NumberOfItems : 5 NumberOfPieces : 27 PartNumber : 00221481 ProductDescription : Steel is the most common filament/wire material due to its durability and cutting action. It is suitable for general purpose applications and can be used on iron, steel, aluminum, brass, copper and wood. ProductSiteLaunchDate : 2020-01-03T04:10:24.649Z