Contents: each set includes 2 pieces pipe cleaning tools and 2 pieces tube reamers, which are nice tools applied for removing burrs from pipe edges, and enough quantity can meet your or replacement 4-In-1 pipe cleaner tool: 4-in-1 design features 4 convenient brush shapes suited for quick and easy interior and exterior cleaning of most pipes; A versatile handheld tool that easily scours tubes measuring 1/2 inch, 5/8 inch, 3/4 inch, and 7/8 inch; A common size makes this tool kit proper for your home material and size: the main body of the pipe reamer is made of plastic, which is strong and , and the internal deburring blade is made of hardened Metal, which can provide you with long-lasting use; The reamer is suitable for the diameter of pipes from 3/16 inch to 1-1/2 inch, and it can be applied to pipes of materials such as PVC, PPR, copper, aluminum, brass and so on Copper tube brushes: our copper tube brushes resist to wear, tear, impacts and corrosion, while preventing the bristles