Product Name: Copper Tube Pipe Cleaning Brush Drill Connector:1/4" Shank Applicable Range:3/4”Copper Tube Pipe Material：High Quality Stainless Steel Features： 【Copper Tube Pipe Cleaning Brush】This copper tube pipe cleaning brush prepares 3/4 inches brass pipe for soldering/sweating. Accustomed to quickly clean the surface of brass tubing, making for stronger soldering. 【Efficient Work】Features a 1/4-inch hex shank fitting that is in line with most power drills. This power tube pipe cleaning brush can be supported in electric drills and runs in a clockwise direction. It makes cleaning easier and faster. 【Made by Craftsmen】Made of high quality steel with superior temperature hardening treatment. Durable, heat-resistant, wear-resistant, not easy to break and deform, safe to use. The internal brushes can be substituted. Simply open the surface cover to replace the brushes. 【Wide Range of Applications】The heavy duty tube cleaning brush is an indispensable tool for removing paint/stains from copper pipes in preparation for watertight soldered joints. Suitable for most copper pipes, helps in air conditioner repair, refrigerator repair, copper pipe repair, vent pipe and other scenarios. 【Easy to Carry】 Compared with fresh plastic copper pipe cleaning brush tools, our copper pipe cleaning brush tool can be carried around or placed in a tool box, does not take up much volume, easy to carry and store. 【NOTE】Due to the heat generated by the copper pipe and copper pipe tube cleaning brush in the rotary expansion, please do not touch directly with your hands, wait for the copper pipe to cool down, and then operate to avoid injury to your hands.