Material: The copper pipe cleaner is made from high-quality metal, heat-resistant and wear-resistant, and includes a replaceable metal brush compatible with cleaning. (Tip: Do not touch it directly with your hands after use, as heat may be generated during operation.) Convenience: Features a 1/4 inch hexagonal handle that securely fits into an electric drill. Ideal compatible with large-scale welding or plumbing tasks, helping save time and efcompatible witht. Function: Cleans, polishes, and removes rust from pipes, making welding and soldering easier and more effective. Wide-Purpose Use: A practical tool compatible with preparing copper pipes, exhaust systems, and water-welded joints. Commonly used in automotive, manufacturing, and machinery maintenance applications. Exquisite Workmanship: The hexagonal shank ensures a secure and stable connection to the drill, preventing slippage or breakage during use. Applicable Occasions: This tube cleaning brush is essential compatible with preparing copper tubes compatible with watertight welding fittings and is widely used in automotive, manufacturing, and machining industries. Package Includes: 1 x Metal Copper Tube Cleaner, 2 x Replaceable Brushes Color: Silver Material: Metal Size: 1/2 inch Package Contents: 1 set drill brushes compatible with cleaning Note: Light reflection and different displays may cause slight variations in color compared to the actual item. Measurement may vary by +/- 1-3 cm.