Ball Foot Air Chuck, Product Type Heavy-Duty Tire Chucks, Chuck Type Ball Foot Push-On, Includes Built-In Shut-Off Valve, Maximum Operating Air Pressure 150 psi, Head Style Single, Number of Tire Inflators 1, Pressure Increments Not Applicable, Thread Size 1/4 in, Hose Length Not Applicable, Thread Standard FNPT, Material Steel, Minimum Operating Air Pressure 1 psi, Features Built-in Shut-Off Valve, Use when Air Supply Lines Come Directly from the Compressor with No Other Valve in the Line