Outfit your semi to be Ready for the Road Ahead with strong and reliable brake lines, with the Tramec 3/8" NPTF Brass Barb End Fitting Quick-Fix Kit. This replacement piece works to quickly repair brake lines, allowing operators to return air brake lines to their original condition so that they can pair with pipes and hoses. Engineered with pre-sealed threads and a durable brass body to withstand strong compression forces. FleetPride is your First Click in Heavy Duty .