Specification Brand : HARFINGTON BulletPoint : 2.5mm diameter BulletPoint1 : Size - Bristle Material: Nylon; Length: 115mm/4.53"; Diameter: 9mm/0.35"; Brush Head Length: 75mm/2.95" BulletPoint2 : Material - Made of nylon, 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. Capacity : 15 milliliters Color : Yellow ExternallyAssignedProductIdentifier1 : 0653829187270 ExternallyAssignedProductIdentifier2 : 653829187270 IncludedComponents : Cleaning Brushes ItemName : HARFINGTON 5Pcs Nylon Bore Brush 9mm 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 ItemPackageQuantity : 3 ItemShape : Round ItemTypeKeyword : science-lab-tube-cleaning-brushes Manufacturer : HARFINGTON Material : Nylon Material1 : Stainless Steel Material2 : Plastic ModelNumber : 32250 NumberOfItems : 5 NumberOfPieces : 5 PartNumber : hta231108hh000399 ProductDescription : Wire cleaning brush brushes have a wide range of applications. They are twisted by twisted pairs, with many fine brush wires that are neatly arranged and stretched outward. Made of nylon, 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.