These multifunctional tools can clean the inner and outer surfaces of joints and pipes Durable material: copper pipe cleaner brush is made of high material, which has high corrosion resistance and rust resistance, and has high strength, durability, long service life, and can clean rusty metal parts 4 In 1 pipe brush clean design: 4 in 1 thread cleaner brush allows for comprehensive inside and outside cleaning of all pipes, the washable range is the common size: 1/2 inch, 5/8 inch, 3/4 inch and 7/8 inch tubes Comfortable grip design: the compact handle provides users with a handle to prevent slippage and is very comfortable to use, which can be applied for a long time and saves the 's workload Wide range of uses: plumber brush cleaner tool can clean steel parts, machinery, unprocessed metal parts, paint stains without damaging the surface or characteristics, cleaning, polishing and rust removal, welding tools are very easy to brighten the pipeline again colour:Yellow Material:Polystyrene + stainless steel bristles Package Contents: 4 x Copper tubing brushes Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.