Usage Tips:High-quality materials: The car air pump thread nozzle adapter is made of high-quality zinc alloy materials, featuring good performance and high stability, and can be used for a long time . Easy to install and disassemble: Thread design is easy to install and disassemble. When in use, press the clamp, push the air valve chuck and screw it onto the valve stem until tight. Easy to inflate: the spring is easy to squeeze and strong enough to hold it in place. The end of the inflation clip locks the flow clip open, making it easier to inflate the tire. Function: Designed for hose conversion of tire inflators, easily convert the inflator connection to a locked connection without having to clamp the tire on the stem. Scope of application: very practical and practical inflatable accessories, used to inflate the tires of motorcycles, bicycles and automobiles, and can also be used to connect inflators, compressors and other tools.