Material: The copper pipe cleaner is made from high-quality metal, heat-resistant and wear-resistant, and includes a replaceable metal brush for cleaning. (Tip: Do not touch it directly with hands after use, as heat may be generated during operation) Convenience: Features a 1/4 inch (approximately 1.4 cm) hexagonal handle that securely fits into an electric drill. Ideal for large-scale welding or plumbing tasks, saving time and effort. Function: Cleans, polishes, and removes rust from copper pipes, ensuring stronger and more reliable welds and solder joints. Wide Application: A practical tool for preparing copper pipes, exhaust systems, and water-welded fittings. Commonly used in automotive, manufacturing, and machinery maintenance. 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 for surface preparation before soldering or welding copper tubing, suitable for use in automotive, manufacturing, and machining environments. Package Includes: 1 x Metal Copper Tube Cleaner 2 x Replaceable Brushes Color: Silver Material: Metal Size: 3/4 inch Package Contents: 1 set drill brushes for cleaning Note: Light reflection and display differences may cause slight variations in color between the image and actual item. Measurement may vary by +/- 1-3 cm.