Prepare your semi truck to be Ready for the Road Ahead , with the with 3/8" Female Swivel Ends that offers enhanced brake control. This replacement hose cycles compressed air through brake systems, while resisting damage from high temperatures, UV rays, abrasions, and extreme pressures. Engineered with a corrosion-resistant and flexible rubber for fast installation and long-term dependability. FleetPride is your First Click in Heavy Duty .