The side rivets are designed to keep the brush blades to be securely fixed on the copper pipe cleaner and not slide during use. The bottom of copper pipe cleaner for drill adopts a threaded twist cover design that can be easily rotated and removed for convenient replacement of the cleaning brush A 1/2 & 3/4 & 1 inch copper pipe cleaner, each size with 2PCS replaceable brush blades; 3PCS pipe cleaning brushes(0.51" & 0.78" & 1"). Meet daily household maintenance and professional plumbing needs for rust, paint, burrs and oxidation cleaning on copper and other metal pipes. Suitable for most copper pipes, aluminium pipes, iron pipes, and other metal pipes. Widely used in copper pipe repair, refrigerator repair, vent pipe and various industrial use The copper pipe cleaner is equipped with a 1/4" metal hex shank that can be connected to most electric drills for fast cleaning of pipes, saving you time and effort, greatly improving work efficiency, it's an essential tool for homeowners and professional plumbers The brush blades are made of stainless steel, which is - and wear-, ensuring efficient cleaning results and durability for long-term use, Weight: 1.0400086747588 pounds, Manufacturer: UieoKakeh