Constructed with copper plating and tapered thread, this fitting deliver durability for industrial applications for high pressure pneumatic systems and mobile repair operations, this compact connector withstands harsh workshop conditions while enabling attachment / detachment of accessories Professional mechanics, engineers, and enthusiasts from its easy installation design during equipment maintenance, workshop projects, or rapid tool switching scenarios The quick connector feature 1 / 4inch tapered threads for compatibility and leak sealing with pneumatic tool, ensuring connection in high pressure Its wear copper coated and tapered thread design minimize air leakage risks, making it essential for industrial machinery maintenance, automotive repairs, and multi site technical services requiring portable, Manufacturer: ZYOUQI