Description:Aluminum valve cover: The hexagonal tire cover is made of high-quality aluminum alloy, which is durable, structurally sophisticated, and has a beautiful color after electroplating. The surface of the valve cover is treated with frosting technology to reduce product burrs and ultimately provide a comfortable grip.High protection performance: Provide good tight moisture and air seal for your valve stem, seal dust from the top of the valve stem, protect the valve from damage, rust, and corrosion, effectively prevent tire leakage, and extend the service life of the valve stem.Built in sealing rings: These valve covers come with red rubber O-ring gaskets inside, providing a good tight moisture and air seal for your valve stem. It can be easily screwed onto the valve stem by hand. Specifications:Color: black, red, gray (optional)Size: 9.4 * 16mmMaterial: Aluminum alloy Package includes: 8 * dust cap Attention: 1. Due to manual measurement, please allow for minor errors. Please ensure that you do not mind before bidding. 2. Colors may vary depending on the monitor, please understand. Hello, please pay attention to your shipping address when purchasing products. If your shipping information (such as name, street, house number, doorbell/email without a name, etc.) is incorrect, the order will not be delivered correctly.