Specification Brand : HARFINGTON BulletPoint1 : Size - Bristle Material: Brass Copper; Length: 115mm/4.53"; Diameter: 15mm/0.59"; Brush Head Length: 75mm/2.95" BulletPoint2 : Material - Made of brass copper, 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. Color : Black ExternallyAssignedProductIdentifier1 : 760385560420 ExternallyAssignedProductIdentifier2 : 0760385560420 ItemDisplayWeight : 59 grams ItemName : HARFINGTON 5Pcs Bore Brush Brass 15mm Dia Cleaning Twisted Bronze Wire Brush Tube Pipe Cleaner with Handle 1/4 Inch Hex Shank for Tubes, Ports, Bearings ItemPackageDimensions_Height : 0.87 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemShape : Round ItemTypeKeyword : science-lab-tube-cleaning-brushes Manufacturer : HARFINGTON Material : Brass ModelName : filter paper chemistry 11 cm ModelNumber : 13 NumberOfItems : 5 NumberOfPieces : 5 PartNumber : hta231108hh000390 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 brass copper, 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.