【2 in 1 Chuck Inflator】: The two types of air chucks have two inflation heads for the valves of American and French tires respectively. A type of air chuck with a small metal button on the side can quickly deflate an over-inflated tire. Just press and hold the small button to operate it. 【Easy to Use】: The car tire air chuck can be used with the car air pump to quickly adjust the tire air pressure. The operation is very simple, the hose is connected to the external thread, insert the air chuck against the tire valve, then press the buckle to lock the tire opening, it will work. 【Wide range of uses】: Suitable for hose inflation pumps with a caliber of 7.88mm, whether for daily use or dealing with emergencies, can be very useful. This car tire air chuck is widely used in most cars, SUVs, motorcycles, bicycles, etc. 【Material】: These two car tire air chucks are made of high quality plastic and brass with great strength and very strong sealing. The valve extension tube is soft and