Characteristic:Premium tire inflation hose adapter, specifically designed for tire inflation hose conversion, easily converts a tire inflator's twist connection to a locking connection. screw the end of the connector on the original inflation hose, press to tighten the connector head on the tire valve and start the inflator for fast, leak-free inflation.Metal structure inflatable chuck, portable tire inflator chuck adapter for bicycle, motorcycle, car inflation.The air chuck is well sealed and has no air leaks.US standard fine thread connection (5/16 x32TPI), same as the threads of all US standard automotive valve stems, compatible with female air chuck threads.All metal construction, portable tire inflator chuck adapter, American standard fine thread design, ideal for bicycle, motorcycle and car tire inflation.Specification:Connection thread: 0.305x32TPI (5/16x32TPI)Hose length: 10cm/20cm/60cm (3.93in/7.87in/23.6in)Connection method: self-lockingMaterial: full metal suction cup + rubber hose + brass connector.Note:Item colors shown in photo may appear slightly different on your computer monitor since monitor is calibrated differently.Due to manual measurement, please allow slight deviation of 1-3mm. thank you very much.Package included:1 with air hose2 brass quick connectorsGood quality product