Features: This 3 piece copper pipe cleaner set (1/2", 3/4", 1") efficiently removes rust, paint, and burrs from copper, aluminum, and iron pipes using drill powered cleaning, suitable for standard drills for faster results than manual brushing. Engineered with anti slip grooves, and side rivets for easy operations, the aluminum alloy construction ensures fine polishing and extended tool life. Designed for HVAC technicians, professional plumbers, and Do It Yourself enthusiasts who demand industrial grade tools for maintaining refrigeration systems, ventilation ducts, and metal piping networks. Achieve professional pipe preparation in commercial kitchens, industrial facilities, and residential plumbing projects where thorough cleaning of 1/2" 1" diameter pipes is critical. The innovative threaded cap design simplifies brush replacement while maintaining secure blade alignment, optimized for repeated use in high friction metal cleaning applications without degradation. Specifications: Component: Copper and Steel Size 1: approx.2.5x10cm/0.98x3.93in Size 2: approx.1.9x10cm/0.74x3.93in Size 3: approx.1.3x10m/0.51x3.93in Size 4: approx.3.7x7cm/1.45x2.75in Size 5: approx.34.5x7cm/1.77x2.75in Size 6: approx.4.8x7cm/1.88x2.75in Quantity:1pc Package Includes: 1 Set 1/2" 3/4" 1" Metal Copper Pipe Cleaner note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.