Easy to use: Screw one end of the adapter onto the original inflation hose, press down to fix the adapter head onto the tire valve, and quickly start the inflator without inflation leakage. Universal: Adapter for portable tire inflator chuck, suitable for bicycle, motorcycle, and automobile tire inflation. Equipped with an easy-to-use snap-on connector, no need to hold it by hand, faster and easier. Premium tire inflation hose connector designed to convert tire inflation hoses, easily converting tire inflator swivel connections to locking connections. Place the adapter screw on the original inflator hose, press the adapter head to fix it onto the tire valve, and start the inflator to inflate quickly without leaking. Metal frame air chucks for bicycles, motorcycles, automobiles, and motorbikes; compatible with portable air chuck inflation adapters. The air chuck is equipped with a 90-degree swivel flow connector, convenient, fast, and hands-free. Airtight design ensures no air leaks during inflation. High-quality and durable soft rubber reinforced hose. US standard fine thread connection (5/16 inch x 32 TPI), compatible with all US standard automotive valve stems. Connects with the female thread of rotary air chucks. Converts the tire inflator into a rotating, locking air chuck. Portable metal frame tire chuck inflator adapter with US standard fine thread design, allows rotation on the air chuck, ideal for bicycle, motorcycle, and automobile tire inflation. Specifications: Connection thread: 5/16 inch x 32 TPI (5/16 inch x 32 TPI) Hose length: 20 cm Type of connection: Knob Air chuck type: Schrader valve Material: High-pressure braided outer inflatable tube, pressure resistant up to 300 psi Note: The colors of the items shown in the pictures may vary slightly due to differences in monitor calibration. There may be a slight 1–3 mm deviation due to manual measurement. Package includes: 1 x Air lock coil with air hose and standard fine thread valve