Specification Brand : RTLR BulletPoint1 : 6 Specifications: The pack contains 6 kinds of bore brushes with different diameters to meet your different cleaning needs, and there are two of each diameter for replacement. BulletPoint2 : Multiple Applications: The hole brush set is suitable for cleaning and rust removal in home, automobile, manufacturing, machining and grinding applications. BulletPoint3 : Hex Shank: Each bore cleaning brush has a standard 1/4 inch shank, which can be connected with a hand drill or an electric drill for more efficient cleaning. BulletPoint4 : Premium Material: The shank is made of stainless steel, which is resistant to rust and and has term stability in harsh environments. BulletPoint5 : Ease of Use: Excellent wire brush can thoroughly clean rust and details, and twisted pair design enhances cleaning effect. CompatibleMaterial : Stainless Steel ExternallyAssignedProductIdentifier : 7322738358417 ItemName : Drill Brushes, 4 Inch Length Multifunction Stainless Steel RustProof Car Wire Drill Brush (Nylon (White)) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : wire-brushes ItemTypeName : Brushes Manufacturer : RTLR Material : Stainless Steel ModelName : RTLRd7ycapbg29-13 ModelNumber : RTLRd7ycapbg29-13 NumberOfItems : 1 NumberOfPieces : 2 PartNumber : RTLRd7ycapbg29-13 ProductDescription : Feature: 1. 6 Specifications: The pack contains 6 kinds of bore brushes with different diameters to meet your different cleaning needs, and there are two of each diameter for replacement. 2. Hex Shank: Each bore cleaning brush has a standard 1/4 inch shank, which can be connected with a hand drill or an electric drill for more efficient cleaning. 3. Ease of Use: Excellent wire brush can thoroughly clean rust and details, and twisted pair design enhances cleaning effect. 4. Premium Material: The shank is made of stainless steel, which is resistant to rust and and has term stability in harsh environments. 5. Multiple Applications: The hole brush set is suitable for cleaning and rust removal in home, automobile, manufacturing, machining and grinding applications.