Features: 1.Aluminum Alloy: Foot control air valve is made of solid aluminum alloy material, high strength, will not rust, durable, not easy to damage. 2.Valve Rod Diameter: The pedal valve rod diameter is about 12mm/0.47in at one end and a diameter of 10mm/0.39in at the other end with a hole. 3.Reliable: Tire changer machine valve adopts strict quality standards and advanced production technology, which can improve work efficiency. 4.Ideal Replacement: This is a pedal control valve for tyre removal, original factory standard, direct replacement of old or damaged one. 5.Long Use Time: Exquisite workmanship, foot pedal valve can be used for a long time, save your cost, do not need to change frequently. Specification: Item Type: Foot Control Air Valve Material: Aluminum Alloy Description: The interface is inserted into the pipe of 8mm/0.31in outer diameter Steel rod diameter: 12mm/0.47in at one end and a diameter of 10mm/0.39in at the other end with a hole. Hole Center Distance: horizontal: 70mm/2.76in, vertical: 40mm/1.57in