Specification: Material: Hose: Inner - Rubber; Outer - Nylon; Both ends - Metal, Copper; Lever Connector: Brass; Color: As the picture shows. Size: Tube: 30cm / 11.8inch Feature It can quickly connect and disconnect the tire nozzle, which ensures that the air pressure in the tire does not escape when the tire is inflated and disconnected. Good adapter from thread to removable tire valve connection. Very useful adapter for air pump with screw connection; allows for a connection without air loss of the tire. The quick-clamp nozzle can quickly connect and disconnect the tire nozzle so that the tire pressure does not leak. Ideal Tool Accessories For daily auto repairs, car dealerships, tire shops, 4S shops. For inflating tires of various bicycles, motorcycles, cars, buses, trucks, wheelchairs. Hose Instructions: 1. Connect the male thread to the outlet nozzle of the air pump. 2. Connect the quick-clamp chuck to the tire mouth. Lever Connector Instructions:Connect directly to the inflator