Ensure your air brakes are Ready for the Road Ahead with a leak-free hose coupling, with the Power Products 1/2" x 3/8" Male Hose Connector with Spring. Thanks to its flexible spring that absorbs shocks and vibrations, this replacement brass connector is the ideal choice for guarding against unwanted hose slippage and kinking. Crafted with with a compact design for tight-fit applications, and a corrosion-resistant blend of copper and zinc. FleetPride is your First Click in Heavy Duty .