Specification Brand : Kuuleyn BulletPoint1 : Copper and Iron Material: Made with premium copper and iron material, including 6 copper brushes and 6 iron brushes, ensuring the durability and reliability.well suited applied for ports, tubes, bearings, cylinders or other narrow clean up requirements BulletPoint2 : 6 Different Sizes: Includes 6 different sizes of bore brushes, 8mm/0.31in, 10mm/0.39in, 12mm/0.47in, 15mm/0.59in, 17mm/0.67in, 19mm/0.75in, Sufficient quantity and various sizes meet all your cleaning needs BulletPoint3 : 304 Stainless Steel Wire: Made with excellent 304 stainless steel wire, the bore cleaning brush is highly erosion resistant, sturdy, and difficult to bend.Bring you a brush with strong cleaning ability, not easy to break, and efficient BulletPoint4 : Extended Handle Design: Comes with an extended handle, making the brush easy to clean narrow or hard to touch areas, providing a wider cleaning range BulletPoint5 : Excellent Polishing Effect: The steel wire brush head design can easily remove burrs on the surface of the pipe, resulting in a glossy and tidy pipe, practical and efficient. it can be easily used with power tools to achieve the desired rust removal results, it is an ideal alternative to traditional hand wire brushes Color : Wooden IncludedComponents : steel wire brush ItemName : Wire Bore Brush Drill Washing Polishing Tools Stainless Steel Bore Brush 12PCS Bore Brush Copper and Iron 304 Stainless Steel Bristles Wire Brush for Power Drill with Hex Shank Handle ItemPackageQuantity : 1 ItemTypeKeyword : wire-brushes Manufacturer : Kuuleyn Material : Steel wire, plastic, silicone ModelName : Scratch Brushes NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Kuuleyn34gvrqt6if ProductDescription : Specification: Item Type: Bore Brush Material: Copper, iron Weight: Approx. 193g/6.8oz Specification: 12PCS, 8mm/0.31in, 10mm/0.39in, 12mm/0.47in, 15mm/0.59in, 17mm/0.67in, 19mm/0.75in (6 copper brushes and 6 iron brushes)