Features: 1. Premium Material: Foot pedal valve is made of aluminum alloy, high strength, rustproof, wear resistant, sturdy and durable. 2. Excellent Performance: Professional manufacturing, precise workmanship, high efficiency, stable performance, and high reliability. 3. Size: The interface fits into a pipe with 8mm/0.31in outer diameter; one end of the steel rod has a diameter of 10mm/0.39in, threaded diameter is 8mm/0.31in. 4. Original Standard: Designed to original specifications, allows direct replacement of old or damaged foot pedal air control valve, long service life. 5. Easy Installation: Simple to install without modifications; no complex operations required, saves time and effort. Specification: Item Type: Tire Air Control Valve Material: Aluminum alloy Hose Connection: Fits 8mm/0.31in outer diameter pipe Steel Rod Diameter: 10mm/0.39in at one end Threaded Diameter: 8mm/0.31in Hole Center Distance: 75mm/2.95in