Specification Brand : Walfront BulletPoint1 : Metal Materials: The hole brush is made of metal materials, strong and , strong cleaning power, and the cleaning effect is enhanced by twisted-wire. No hair removal, proof, not easy to deformation. BulletPoint2 : Easy to Use: Users can easily remove any or by simply mounting one of the boring brushes on a power drill or die grinder, or on the corresponding drive handle. BulletPoint3 : 6 Sets: This set includes 1/4 inch hex handle in various sizes, cleaning brush approximately 4 inches in length, and includes a manual drive handle. BulletPoint4 : Various Specifications: This set of boring brushes includes 6 different diameter hole brushes, including 8,10,12,15,17 and 19 mm, so you can choose the right size to suit your needs. BulletPoint5 : Wide Application: You can place hole brushes in your car, garage, office and kitchen for cleaning or removal in machining and sanding applications. Color : Orange CompatibleMaterial : Alloy Steel CompatibleMaterial1 : Brass CompatibleMaterial2 : Cast Iron CompatibleMaterial3 : Alloy Steel CompatibleMaterial4 : Aluminum CompatibleMaterial5 : Stainless Steel ExternallyAssignedProductIdentifier1 : 654207124887 ExternallyAssignedProductIdentifier2 : 0654207124887 ExternallyAssignedProductIdentifier3 : 00662980880210 GpsrSafetyAttestation : 1 IncludedComponents : steel ItemFirmnessDescription : Medium ItemName : 6PCS Drill Bore Cleaning Brush Set 1/4in Hex Shank Twisted Wire Brush for Electric Drill Die Grinder (Brass Wire (Yellow)) ItemPackageDimensions_Height : 29.7 centimeters ItemPackageDimensions_Length : 4.5 centimeters ItemPackageDimensions_Width : 16.9 centimeters ItemPackageQuantity : 12 ItemShape : Rectangular ItemTypeKeyword : wire-brushes Manufacturer : Walfront Material : Metal ModelName : Walfronteo7fxgh9c2-11 ModelNumber : Walfronteo7fxgh9c2-11 NumberOfItems : 1 NumberOfPieces : 12 PackageLevel : unit PartNumber : Walfronteo7fxgh9c2-11 ProductDescription : Specification: Item Type: Bore Brush Size: Length: Approx. 4in / 10.1cm Diameter: Approx. 8mm / 0.31in, Approx. 10mm / 0.39in, Approx. 12mm / 0.47in, Approx. 15mm / 0.59in, Approx. 17mm / 0.67in, Approx. 19mm / 0.75in