1Foot Control Air Valve: This is the foot controlled air valve of the tire changer. Using the original factory standard, the old or damaged can be directly replaced. 2Premium Materials: Made of superior aluminum alloy material for great durability and reliability, not easy to rust and wear. 3Professional Production: The pedal control valve of tire repair accessories adopts strict quality control standard, improved design, advanced production process and more durable. 4Perfect Replacement: Pneumatic valve control switch of tire changer is the perfect replacement, and you can replace worn or damaged ones directly to save time. 5Simple Operation: Using fine workmanship, easy installation, simple operation, can improve work efficiency.