Item Type: Foot Control Air ValveMaterial: Aluminium AlloyApplicable Pipe Interface Outer Diameter: Approx. 8mm/0.31inSilver Steel Rod with Holes Diameter: Approx.10mm / 0.4inHorizontal Distance Between Two Round Holes: Approx.78mm / 3.1inVertical Distance Between Two Round Holes: Approx.66mm / 2.6in 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.1 xFootControlAirValve