Features: brand new and high quality This product is made of high-density aluminum alloy, and the sealing ring is made of EPDM high-quality rubber, which is resistant to high and low temperature, strong aging resistance, high sealing and corrosion resistance. Installation method: remove the for valve core and deflate. Separate the toe of the tire, remove it from the wheel hub, and remove the for valve. Clean the holes on the wheel hub to remove rust and dirt. Install the new for valve from the inside of the hub. Install the tire correctly and inflate it to the rated pressure, and replace it with a new for valve cap. Specifications: Material:Aluminum Alloy Length:Approx.4.5cm/1.77in Color:Black,Dark Gray,Blue,Gold,Red,Silver Net Weight:25g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 4x Car Tire for Valve