FEATURES Material: TPMS stem made of rubber with stable characteristics, high reliability, durability and long service life. EASY TO OPERATE: TPMS valves for tire sensors are easy to install, no modification is required, they can directly replace the old ones, you can install them by yourself or ask a professional to install them. Increase Safety: The sensor valve is an upgraded valve with an overpressure exhaust valve that automatically opens or closes the valve's air vent to ensure that your car's tires are at the correct air pressure. With this tire pressure sensor, your driving will be safer. Product Information Product Name: Valves Product material: aluminum alloy + natural rubber Product size: total length about 53mm Product color: black Packing list: Valves *4 Please note: 1. Due to the long transportation time, the goods may be damaged during transportation, if the goods are damaged, please leave us a message through the official website immediately before posting a comment, I will solve the problem for you. 2. Due to manual measurement, the size may have 1-3cm error. 3. 3. The color displayed by different monitors may vary.