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 , 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 of 1/2" 1" diameter pipes is critical. The innovative threaded simplifies brush replacement while maintaining secure alignment, optimized for repeated use in high friction metal applications without degradation. Specification: 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 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. 1 Set 1/2" 3/4" 1" Metal Copper Pipe Cleaner Color: Silver Material: Metal Package Contents: 1 set * metal pipe cleaner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.