The Tramec 1/2" NPTF Swivel with Brass Barb Quick-Fix Kit is the perfect solution for repairing damaged air brake lines. This kit features live swivel fittings and is designed for use with Gladhands and air brake lines. The body material is made of brass and the fitting type is hose barb. It has a tube size is 0.50". This quick fix kit is a permanent solution for repairing damaged air brake lines. FleetPride is your First Click in Heavy Duty®.