Hromee Lock On Air Chuck for Large Bore Valve, Heavy Duty Closed Flow Tire Chuck, 1/4" FNPT for Tire Inflator and 12V1 Stem Quick Connector

CLOSED FLOW - Closed flow tire chuck is designed with a shut-off valve inside that means the air will not pass through until you slide down the sleeve of chuck, providing tight seal that will never leak even under high pressure.. LOCK-ON CHUCK - The air chuck is locking the valve stem when the sleeve is pushed forward while it is releasing when the sleeve is pulled back.. EASY TO USE - Keep your hands free while the tire inflates. The lock-on sleeve is much easier and faster than other chucks, ensure it fix onto the valve stem.. HEAVY DUTY - It is constructed with 3 parts from top to bottom: top nut, pivot and sleeve. The top nut is made of solid brass for connecting the tire inflator. And the other 2 parts are made of iron. The inside three claws are nickel plating to protect them from oxidation.. WIDELY APPLICATION - The top thread is 1/4 inch FNPT, fits for most tire gauge inflators in the market. The Max working pressure is 150PSI.