Electric Mobility Accessories -2pcs Tire Valve Stem 90 Degree Valve Stem Extension Highlights generic brand 2pcs Tire Valve Stem 90 Degree Valve Stem Extension Description: Allows easy access for maintenance tires. Excellent waterproof ability with metal dust cap. Top quality with a chrome finish. Easy installation, just remove the existing dust cap and screw it on. Allow inflation/deflation with built-in valve core. Specification: Material: Copper Size: 90 Degree Package Include: 2 Pcs Tire Extender Adapter Note: Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm) Please check the size measurement and picture carefully before you make payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.