Description: 【Material】: This tire changing rotating coupler is made from engineering PP material, which is sturdy, high strength, and wear-resistant for long term use 【Function】: The tire changer rotating coupler effectively controls the inflow and outflow of the air source, thereby efficiently managing the operation of the tire changing machine 【Easy to Use】: The universal joint air valve has a simple design that can be directly installed and used without any complex operational steps 【Applicability】: The tire changing valve is suitable for professional scenarios such as car maintenance and tire repair. It's ideal for use in tire replacement work 【Versatility】: The tire changing valve adopts a universal design, suitable for most sedans, SUVs, and light trucks on the market, meeting the needs of different models Specification: Material: pp Size Chart: Diameter: 5cm/1.97inch Package Includes: 1 Tire Changer Valve   Note: Please allow slightly errors 1-2cm differences due to manual measurement.