★【8mm/0.31in Pipe External】: Foot control air valves used for ranger tire changers. Pipe external diameter: 8mm/0.31in; Rod diameter: 10mm/0.39in.
★【2-Pieces Mufflers】: Comes with 2-pieces mufflers, perfect operation. Aluminum alloy material for high durability.
★【 Type B(1), Type B(2), Type B(3), Type B(4) (optional)】: Different types for your choice.
★【Easy Carried】: Surface anodes. portable size, convenient for carry, durable to use
★【Durable & Resistent】: Made from superior quality aluminum alloy with durable and precise parts, which are built to last so you can have a safe and enjoyable ride