Features: The air pump extension hose is used as an extension for the tire for valve to make the tire inflation process easier. The air pump extension tube can quickly connect and disconnect the tire nozzle, so as to ensure that the air pressure in the tire will not leak when the tire is inflated and disconnected. The inflatable chuck has high flexibility, can be easily bent, and is designed with a threaded interface, so there is no need to worry about easy loosening or leakage. Nylon wrapped rubber hose,non-slip,durable and flexible. Suitable for air pump M6 threaded joint. Specifications: Material:Copper Length:Approx.16cm/6.30in,20cm/7.87in,30cm/11.81in,60cm/23.62in(optional) Net Weight:30-60g Package Includes: 1x Pump Extension Hose note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.