MAIN FOLD CAN - Milled aluminum body with nickel plated steel quick connectors for durability and a leak-free fit. COUPLER AND PLUG - Copper core and iron connector are made of steel nickel plated with anodized aluminum sleeves. The steel plug is heat treated to reduce abrasion on critical mating surfaces. GENERAL CONNECTION - It also allows you to be able to connect to different types of connections without changing tools and pipes.You can also work with 3 different tools at the same time. ABOUT SIZE - Wire: 1/4 ;; F-NPT, size: 120 * 20 mm / 4.72 * 0.79 inch. SIMPLE OPERATION - The pneumatic manifold can simply thread pneumatic fittings into ports on the distribution block to produce an organized method of supplying multiple lines from a single source. Quantity delivered: 1 piece Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.