Specification Brand : Weiler BulletPoint1 : FLEXIBLE SINGLE STEM: For brushing smooth or threaded blind holes, small tubes, drill holes, and confined spaces BulletPoint2 : USEFUL FOR PREPPING: Remove burrs, chips, paint, coatings, and other build-ups from bores or passages BulletPoint3 : WIDE VARIETY BRUSHES: Available in different brush sizes, fill materials, and configurations BulletPoint4 : HIGH TENSILE STRENGTH: Steel fill brushes are great for working on carbon steel surfaces BulletPoint5 : MADE IN THE USA: Brush dia 7/16 in, wire dia .005 in, stem dia 1/8 in, stem length 2-1/2 in, 2000 max RPM CompatibleMaterial : Alloy Steel ExternallyAssignedProductIdentifier : 30821578851754 IncludedComponents : Power Tube Brush ItemName : Weiler 21142 7/16" Power Tube Brush, .005" Steel Wire Fill, 1" Brush Length, Made in The USA (Pack of 10) ItemPackageDimensions_Height : 5.1 inches ItemPackageDimensions_Length : 13.3 inches ItemPackageDimensions_Width : 9.3 inches ItemPackageQuantity : 1 ItemTypeKeyword : wire-brushes Manufacturer : Weiler Corporation Material : Alloy Steel ModelName : 21142 ModelNumber : 21142 NumberOfItems : 10 NumberOfPieces : 10 PackageLevel : unit PartNumber : 21142 ProductSiteLaunchDate : 2010-12-10T08:00:01.000Z Size : 7/16" Dia x 0.005 Wire Size Style : Pack of 10 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 47131600