Specification Brand : EVGATSAUTO BulletPoint1 : 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. BulletPoint2 : Ease of Use: Excellent wire brush can thoroughly clean rust and details, and twisted pair design enhances cleaning effect. BulletPoint3 : 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. BulletPoint4 : Multiple Applications: The hole brush set is suitable for cleaning and rust removal in home, automobile, manufacturing, machining and grinding applications. BulletPoint5 : Premium Material: The shank is made of stainless steel, which is resistant to rust and and has long term stability in harsh environments. CompatibleMaterial : Metal ExternallyAssignedProductIdentifier : 7735645451575 ItemName : Bore Cleaning Brush, 6 Diameters Hole Brushes 13 Pcs Set Rust Proof 1/4 Hex Shank 4in Length Stainless Steel with 15cm Extension Rod for Household (Steel Wire (Silver)) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : wire-brushes ItemTypeName : Spoon Rests Manufacturer : EVGATSAUTO Material : Stainless Steel ModelName : EVGATSAUTOm65kgs9h1d-12 ModelNumber : EVGATSAUTOm65kgs9h1d-12 NumberOfItems : 1 NumberOfPieces : 2 PartNumber : EVGATSAUTOm65kgs9h1d-12 ProductDescription : 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 long 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.