Detachable 1/4" hex shank is made of hardened metal for improved strength and reduced risk of breakage during use. The shank can be quickly removed to convert the copper pipe cleaner into a manual cleaning tool, giving you flexible options for tight spaces and delicate jobs. Bottom of the copper pipe cleaner features a threaded twist-cover design that can be opened by hand in seconds, allowing quick access to the interior. This makes it simple to clean out debris and replace worn brush blades, helping maintain optimal performance over time. Versatile cleaner works on copper, aluminum and iron pipes, making it suitable for HVAC servicing, plumbing repairs, refrigerator line maintenance and exhaust pipe cleaning. Ideal for professional plumbers, maintenance technicians and DIY enthusiasts handling various metal piping tasks. Copper pipe cleaner body is built from yet solid aluminum alloy to balance portability and durability. Stainless steel brush blades deliver strong abrasion resistance, resistance and long service life, providing efficient cleaning results on every project. Set includes /2" and one 3/4" copper pipe cleaner, plus 8 stainless steel brush blades, with 4 pre-installed and 4 replacements for extended use. Also comes with 2 pipe cleaning brushes, perfect for removing rust, stains, paint and from copper and metal pipes., Weight: 0.7495716908 Pounds, Manufacturer: Ounfhtrttk