Enhanced Durability and Efficiency: Our upgraded copper pipe cleaners are crafted from high-quality metal, treated with advanced temperature hardening to resist high torque and temperatures. Featuring a hexagonal handle for stable connection to drills, these tools promise a long service life and improved work efficiency, replacing manual labor with ease. Secure and User-Friendly: The rivet design on the side of each cleaner prevents copper fragments from rusting and ensures a tight internal brush fit. The bottom threaded design prevents slippage, allowing for easy rotation and brush replacement without additional tools, saving both time and effort. Versatile Applications: Suitable for a wide range of pipe materials including copper, aluminum, and iron, these cleaners are essential for tasks such as pipe repair, refrigerator and air conditioner maintenance, and various industrial applications. Their robust construction makes them a reliable choice for professional and DIY use alike. Innovative Design for Professional Use: Specifically designed for plumbers, this set includes 1/2Inch, 3/4Inch, and 1Inch cleaners with size indicators for easy identification. The , oxidation-treated tools prevent rust, while the extended length and enlarged polishing size enhance usability and effectiveness in pipe cleaning and rust removal. Comprehensive Set with Extra Brushes: Each cleaner in the set comes equipped with 3 high-density steel wire brushes, ensuring a longer usage life and better rust removal. The set is designed to withstand frequent use in demanding environments, making it an indispensable tool for maintenance and repair professionals., Weight: 1.00971715996 pounds, Manufacturer: Aisuoka