Wide Use: It can be used to remove rust and paint stains from steel parts, machinery and raw metal parts. It can be used for cleaning, polishing, soldering, painting, rusting and deburring copper pipes or metal components. It is very easy to make copper pipe to be as clean as new. Comfortable handle: The 4 in 1 cleaning tool is ergonomically designed with a grip structure which makes it very comfortable to use and gives you a firm grip that won't slip or fall off easily, improving your work efficiency and long-term use It cleans both interior and exterior surfaces of joints and pipes 1/2inch and 3/4inch, and can remove debris from pipe threads when preparing for brazing and soldering. Durable Materials: Pipe cleaning tool bristles 4 in 1 are made of steel bristles, which are rust and corrosion resistant while preventing wear, tear and flattening of bristles for cleaning metal pipes without damaging the surface or fine features of pipes made of copper. Convenient to carry: the cleaning tool copper pipe travel is lightweight, compact and easy to store and transport. It takes up little space in your toolbox and can go with you anywhere and everywhere. Dimensions: Total length is 20.1 cm, height is 2.2 cm, the diameter of the large hole is 2 cm, the diameter of the small hole is 1.3 cm. Color: black. Material: steel wire, steel . Contents: 4 pipe cleaners Above package contents only, no other products are included. Note: The effect lighting in photographs may cause color to appear different from what it actually is. There is a 1-3cm error in the measurements.