Product Description: 1. Portable metal structure tire mandrel inflatable adapter (5/16 "x32TPI) 2. The air pump extension hose is an extension of the tire valve nozzle, making the tire inflation proce easier. 3. The air pump extension tube can quickly connect and disconnect the tire nozzle to ensure that the air preure in the tire will not leak when the tire is inflated and disconnected. 4. Inflatable collet, threaded connection design, so there is no need to worry about loose or leakage. 5. Air pump extension tube made of durable material, wear resistance. 6. With high flexibility, can be easily bent, hose is not easy to break. 7. Main application scope: bicycle, motorcycle, automobile, motorcycle tire inflation, etc Instructions: Connect the external thread to the exhaust nozzle of the charge pump and connect the quick-connect inflatable collet to the tire nozzle. Specifications: Material: high preure tube, metal Preure: 200PSI. Tire chuck outer diameter :15.5mm / 0.61" Connection thread: 0.305"x32TPI (5/16"x32TPI) Hose Length :10cm /20cm /60cm (optional) Air chuck type: Schrader valve The package includes: 1PC Air Pump Extension Tube