The Aeroquip FF Series 2.83" Guardian Seal™ Carbon Steel Interchange Coupling Plug is the perfect solution for your application. This plug is designed to be interchangeable with other couplings of the same size and type, providing versatility and compatibility. It features a standard sleeve lock that prevents accidental disconnection and color identification rings are available to help prevent crossing of lines. The plug is made of high-resistant carbon steel with guardian seal plating, which is nickel-free and solvent-free. FleetPride is your First Click in Heavy Duty®.