1. Application: This copper cleaner and deburring tool kit is specifically engineered for efficient cleaning, polishing, rust removal, paint stripping, and deburring of aluminum and copper pipes, as well as PVC pipes. 2. Material: The reamers feature a hardened resin body paired with hardened steel for durability. The 4-in-1 pipe deburring brush has a robust handle made from thick polystyrene, ensuring longevity. Both sides of the brush head are equipped with stainless steel bristles that resist wear, cracking, and corrosion. 3. 4 in 1 Pipe Deburring Brush: Measuring 20 cm in length with cleaning hole diameters of 1.5 cm and 2 cm, this brush is ideal for cleaning and polishing both the surface and inner walls of pipes, making it a versatile addition to your toolkit. 4. Reamer Functions: The reamer, with a diameter of 1.5 inches, is designed for pipes ranging from 3/16 inch to 1-1/2 inch in diameter. It effectively cleans and polishes pipe mouths, ensuring smooth and professional results. Use Scenarios: - Restore the shine and integrity of copper plumbing in homes or commercial spaces by removing oxidation and debris. - Prepare aluminum pipes for painting or sealing by ensuring a clean and polished surface. - Maintain PVC pipes in plumbing systems, ensuring smooth flow and preventing leaks by eliminating burrs and rough edges. This copper cleaner and deburring tool kit is essential for anyone looking to maintain the quality and appearance of their pipes, providing reliable performance and ease of use.