Enclosed Ball Air Chuck - Enclosed ball air chuck with 1/4Inch FNPT inlet, 300 psi maximum air pressure. Suitable for commercial and industrial air filling applications. Brass Material - The air chuck kit is made of high-quality brass, which has good corrosion resistance and wear resistance. The accessories are sturdy, not easy to break, and durable. Easy to use - When you want to use the closed ball pneumatic chuck, just turn the screw to connect it. Two connection methods are available to meet your needs. Wide application - The tire air chuck kit can be used for air pump and compressor accessories, and can also be used for trucks, buses, cars, bicycles, motorcycles, etc., bringing convenience to your life. Colour:Gold & Silver Material:Metal Package Contents: 3 x closed ball air chucks and fnpt quick connectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.