Description: The air pump extension hose is an extension of the tire valve, which facilitates the tire inflation process. The air pump extension tube can quickly connect and disconnect the tire nozzle, ensuring that the air pressure in the tire will not leak when the tire is inflated and disconnected. The inflatable chuck has great flexibility, it can be easily bent, and the threaded interface design is adopted, so there is no need to worry that it will come off easily or leak. The air pump extension tube is made of durable materials that are resistant to wear and tear, and the hose is not easy to break. The main field of application of the pneumatic chuck: inflating the tires of cars, bicycles and motorcycles. Instructions: Connect the external thread to the outlet nozzle of the inflator, connect the inflation chuck to the quick connection to the tire mouth. Specification: Material: high pressure tube. Pressure: 300 psi. Package includes: 1 x air pump extension tube.