1Wide Application: With 2 in 1 inflatable port design, is wide applicable for Us and French standard tire mouth, can be used for car inflatable pump. 2Secure and Leak Proof: Designed for a secure and leak proof connection, the extension tube ensures a tight seal between the pump and the nozzle. 3High Flexible: Built to withstand everyday use and resist wear and tear, the flexible design allows for easy maneuverability. 4Quick Connect: Quickly connect and disconnect the tire nozzle to ensure that the air pressure in the tire will not leaks when the tire is inflated and disconnected. 5Long Lasting: Adopts high pressure resistant outer tube, portable tire inflator chuck adapter, not easy to rust, durable, can be used for a long time