Item Type:BikePumpExtensionHoseProduct Material: Copper Plating, NylonCompatible: US valve Connect the Pump and Nozzle for Easy Pumping .wang-edit-text{ font-family:"Arial" important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 116.6cm Length: The bike pump extension hose can increase the length by 16.6cm in case the existing pump hose is too short to be used 2Double Valve Design: The bike pump extension hose adopts a double valve design, compatible with American valves, which is convenient and easy to inflate 3Durable Material: The bike pump extension hose is made of nylon and copper materials, which are wear resistant, corrosion resistant and stable 4Stable and Reliable: The bike pump extension hose is compact and portable, helping you to inflate your tires quickly and safely 5Simple Operation: Operation is simple and convenient, the bike pump extension hose can be used by connecting the pump and nozzle