Product Description 【Application】 Suitable for inflating US tire valves of cars/motorcycles/bicycles. Connection Thread: 0.305in x 32TPI (5/16in x 32TPI), the same as the thread on US standard car valve stems, compatible with inner thread of twist‑on air chuck. Convert tire inflator twist‑on air chuck to lock‑on air chuck. 【Quick Connect & Disconnect】You can quickly connect and disconnect the tire nozzle to ensure that the air pressure inside the tire will not leak during this process, safe and worry-free. 【Thumb‑Pressing Air Chuck】 The thumb‑pressing air chuck is designed to quickly connect the chuck for hands-free inflation, allowing you to operate more easily and efficiently. 【Easy to Use】First connect the male thread to the air pump's outlet nozzle, then connect the quick-connect air chuck to the tire port and start the inflator for fast and leak-free inflation. 【Sturdy Material】The air hose is made of rubber with a woven fabric pressure stabilizing layer in the middle, which can resist pressure up to 300PSI, and the air chuck is made of brass material, rust-proof and wear-resistant, sturdy and durable.