• Premium Aluminum Product: JIS D 4207 thread standard (car tire screws 8 V1), this product is made of high quality aluminum alloy, and has excellent corrosion resistance, sand resistance, waterproof and dust-proof • (Sealability) Equipped with an internal o-ring to prevent air leakage, keeping tire pressure at optimum pressure, saving engine oil, and improving road safety • Durable Design: The air valve cap of the tire is composed of a metal outer shell and a plastic insert. It prevents air valve corrosion and is durable and can be used for a long time. Especially suitable for use in wet and cold areas • Compatible with all vehicles: The universal design allows it to be used on a variety of vehicles including sedans, SUVs, motorcycles, bicycles, and more • [Aftermarket Service] If you have any quality problems with the product, we will deal with 24 hours a day, so you can contact us with confidence