Features: 1.These are foot control air valves used for ranger tire changers. 2.Pipe external diameter: 8mm/0.31in; Rod diameter: 10mm/0.39in; 7.8mm/0.31in. 3.Comes with 2-pieces mufflers, perfect operation. 4.Steel material for high durability. 5.Different types for your choice. Specification: Features: These are foot control air valves used for ranger tire changers. Pipe external diameter: 8mm/0.31in; Rod diameter: 10mm/0.39in; 7.8mm/0.31in. Comes with 2-pieces mufflers, perfect operation. Steel material for high durability. Different types for your choice. Specification: Condition: 100% New Material: Steel Main Color: Black & Silver Type: Type A(1), Type A(2), Type A(3), Type A(4) (optional) Pipe External Diameter: 8mm/0.31in Rod Diameter: 10mm/0.39in; 7.8mm/0.31in Hole Centre Distance: 38mm/1.50in Package Weight: approx.186-228g Package List: 1 x Foot Pedal Air Control Valve Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. PackageList: