Comprehensive cleaning tool This set includes a 4 in 1 battery brush dual head and pipe cleaners in both 15MM and 22MM sizes, offering thorough cleaning and rust removal for a range of applications. Userfriendly design The hexagonal handle provides stability during use, while the fine steel bristles resist torque and heat, making the tool easy and convenient to operate. Engineered for performance Crafted from metal, the copper pipe cleaner is built to withstand demanding tasks, ideal for automotive and industrial cleaning needs. Applications Essential for preparing copper pipes before welding, this tool supports processes in manufacturing and machining environments. Use scenarios Welding prep: remove rust, scale, and debris from copper pipes (15MM and 22MM) before welding in a production line. Automotive/industrial maintenance: clean copper pipe fittings and related components, handling torque and heat during use. Manufacturing and machining: rapid rust removal and surface prep on copper piping and fittings to streamline assembly.