SAFELIFE Lock On Air Chuck, 1/4'' FNPT Heavy Duty Closed Flow Tire Chuck for Tire Inflator Air Compressor Air Accessory Kit, Straight Locking Air Chuck Standard Bore Valves Quick Connect - SF-1919B

• 【CLOSE FLOW NO AIR LEAK】：SAFELIFE CLOSE FLOW TIRE CHUCK a shut-off valve inside that do not allow air to flow to or from the chuck unless the chuck is engaged with a tire valve stem, which makes them more efficient for using directly on an air compressor hose line. Machined thread jaw, providing tough connection and tight seal that will never air-leak even under high pressure. 【LOCKING AIR CHUCK EASY TO USE】：Pushed forward the sleeve to lock the valve stem and pulled back the sleeve to release the lock on air chuck, it keep your hands free while the tire is inflating or deflating. The featured lock-on sleeve is much easier and faster than other chucks, ensure it fix onto the valve stem. 【STANDARD BORE SIZE】：Standard bore size fit for Schrader Valve (0.305"OD) , which is widely used on tires of cars, vans, aircraft, trucks, motorcycles and bikes etc. (with Schrader valve) 【HEAVY DUTY BUILT TO LAST】：HEAVY DUTY AIR CHUCK 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 zinc-plated iron. The inside three claws are nickel plating protect them from oxidation. 【WIDELY APPLICATION】：The top thread is 1/4 inch FNPT, compatible with most tire inflator air compressor, air accessory kit, air compressor accessories, inflator gauge compressor accessories.Maximum pressure: 150 PSI