Features: 1.3pcs valve extender, with three angles of 45 degrees, 90 degrees and 135 degrees, and is equipped with rubber seals to ensure air tightness without leakage. 2.Made of high quality brass, chrome?plated surface, equipped with metal dust cover, durable and long service life. 3.Easy to install, screw the adapter screw to the tire valve, and the bottom of the extender can rotate freely for easy operation, extending the service life of the original tire valve screw. 4.The threaded head on the valve extender is screwed on the existing valve stem, and the included end cap replaces the existing valve stem cover. 5.Solved the problem of unable to pump air or check air pressure. Due to the built?in valve core, it can allow inflation and deflation, which is convenient and fast. 6.Suitable for most bicycles, motorcycles, trailers, motorhomes with standard American tire valves. Specification: Item Type: Tire Valve Stem Extender Material: Brass Valve Angle: 45, 90, 135 Application: American Tire Valve PackageList: 3 x Valve Stem Extender