Our sturdy tubeless vacuum tire valve stems are ideal for ensuring your vehicle's tires remain properly inflated. The screw-on structure allows for easy installation, while the robust construction provides a reliable seal to prevent air loss. These valve stems are suitable for a variety of vehicles, including cars, trucks, and trailers. Features -Color:Silver -Material:Stainless steel -Size:4.40X1.70X0.90cm/1.73X0.67X0.35in - Outer diameter: 17.5mm -Simple to install: The innovative screw-on mechanism ensuring a seamless and rapid installation process, minimizing the time and effort required -Built to last: Constructed from durable materials, these valve stems offer exceptional durability and resistance to daily wear -Leakproof: Engineered to prevent air leaks, these valve stems help maintain optimal tire pressure, enhancing driving safety -Multiple uses: Versatile in application, these valve stems are compatible with a wide variety of car tires, ideal for automotive repairs - : for a suitable fit, these valve stems ensure an airtight seal, maintaining stable tire pressure Package list: 12 x tire valve stems