We offer a large selection of the most popular dual-head Tire Chucks for standard bore Tire Valves. Whether you need [open" chucks for changers and inflator gauges or [closed" chucks for live air lines, count on tire win to have what you need. Tire chuck with clip(automotive accessory, air tool accessory). Surface treatment: Acid washing. Air tire chuck, air chuck with clip, quick connector, hose barb. American air chuck, description: American style air chuck, open type or close type, brass ball head plated or zinc head. The American air chuck connects directly to standard automotive style stem valves (Schrader valves) to fill up a variety of tires. This unit does not fit Presta or Woods valves (found on some bicycle tubes), not for use with inflator gauges, stops airflow when chuck is not in use, designed with built-in shut-off valve.