Specification Brand : Made in USA BulletPoint1 : Brush Diameter (Inch) 5/16 BulletPoint2 : Fill Material Brass BulletPoint3 : Filament/Wire Diameter (Decimal Inch) 0.0050 BulletPoint4 : Spiral Type Double Spiral BulletPoint5 : Brush Type Helical CompatibleMaterial1 : Stainless Steel CompatibleMaterial2 : Alloy Steel CompatibleMaterial3 : Wood ExternallyAssignedProductIdentifier1 : 0707326033506 ExternallyAssignedProductIdentifier2 : 707326033506 ItemName : Made in USA - 5/16" Brush Diam, 1-1/2" Brush Length, 4" OAL, Double Spiral Tube Brush - 0.005" Filament Diam, Brass Filament, Helical Brush, 1/8" Shank (6 Pack) ItemPackageQuantity : 6 ItemTypeKeyword : abrasive-cup-brushes Manufacturer : Made in USA NumberOfItems : 6 NumberOfPieces : 4 PartNumber : 03715216 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 it works best on copper and brass. ProductSiteLaunchDate : 2020-01-03T04:10:34.246Z UnitCount : 1