Specification Brand : HARFINGTON BulletPoint1 : Size - Bristle Material: Stainless Steel; Length: 115mm/4.53"; Diameter: 11mm/0.43"; Brush Head Length: 75mm/2.95" BulletPoint2 : Material - Made of 304 stainless steel, it is durable, not easy to break, easy to remove rust and dirt, and the bristles are dense and neat, and wear-resistant. BulletPoint3 : Usage - The 1/4" hex shank brush can be mounted on a drill or die grinder, or on the corresponding driver handle for more efficient cleaning. BulletPoint4 : Application - Bore brush quickly enters tight holes and confined areas and is suitable for cleaning, polishing, or descaling in ports, pipes, bearings, automotive, manufacturing or machining, and other typical wire brushing applications. BulletPoint5 : Note - Wire bore brush is for push-pull operations only. Mounted on a drill or corresponding driver handle, do not spin more than 2000 rpm. ContainsLiquidContents : 1 ItemForm : Liquid ItemName : HARFINGTON 5Pcs Bore Brush Stainless Steel 11mm Dia Cleaning Twisted Wire Brush Tube Pipe Cleaner with Handle 1/4 Inch Hex Shank for Tubes, Ports, Bearings ItemPackageDimensions_Height : 0.67 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemTypeKeyword : science-lab-tube-cleaning-brushes Manufacturer : HARFINGTON Material : Stainless Steel NumberOfItems : 5 NumberOfPieces : 5 PartNumber : hta231108hh000371 ProductDescription : Wire cleaning brush brushes have a wide range of applications. They are twisted by the double spiral knot, with many fine brush wires that are neatly arranged and stretched outward. Made of 304 stainless steel, it is durable, not easy to break, easy to remove rust and dirt, and the bristles are dense and neat, and wear-resistant. Bore brush quickly enters tight holes and confined areas and is suitable for cleaning, polishing, or descaling in ports, pipes, bearings, automotive, manufacturing or machining, and other typical wire brushing applications. The 1/4" hex shank brush can be mounted on a drill or die grinder, or on the corresponding driver handle for more efficient cleaning. Notice: Wire bore brush is for push-pull operations only. Mounted on a drill or corresponding driver handle, do not spin more than 2000 rpm.