Valve stem cap extension made of aluminum alloy, anti-oxidation, and wear-resistant, not easy to deform. Increase the life span of the old tire valve screw. The valve extender protects the tire valve from dirt and dust. No pressure loss even when the valve core is damaged or dirty. Easy to check tire pressure without the chance to lose your valve cap. Easy to install and simply screw onto current tire stem, without additional dust cap required. Wheel valve stems cap extension is suitable for most cars, SUVs, trucks, motorcycles, and bicycles. Note: Pay attention to the dimensions before ordering to make sure the item fits your vehicle. Please allow a 1-3mm error due to manual measurement. Thanks for your understanding. Monitors are not calibrated the same, the item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.