1. Copper material, screw-threaded to connect the tire mouth, airtight, easy to operate 2. Can deflate function, press the button to deflate to adjust the tire pressure 3. The external thread has the same specifications as the American tire nozzle, which is suitable for the connection of the outlet nozzle of the vehicle inflator. 4. Material: copper 5. Scope of application: suitable for schrader valve car/motorcycle/bicycle inflation 6. Weight: about 36g/piece 7. Size: about 5.18 cm long / piece
