The VEVOR PPK8 PVC Pipe Reamer Kit includes 8 pieces of reamers with blade material made of tungsten steel GU20+. The reamer body is made of aluminum alloy 6061 and the handle is made of carbon steel 45#. The kit includes reamers with specifications ranging from 0.5 to 4 inches, suitable for PVC pipes, ABS plastic fittings, and CPVC ventilation pipes. The compact size of 12 x 3.6 x 8.4 inches makes it easy to carry and store. With the VEVOR brand reputation, this kit is a reliable tool for pipe professionals.