Outfit your semi to be Ready for the Road Ahead with an efficient connection between various hose sizes / types, with the Power Products 1/2" x 3/8" BP120 Brass Adapter. With a multipurpose design, this replacement adapter allows for a seamless connection between two types of pipes or fittings that have different end pieces. Crafted with strong extruded brass to withstand extreme compression levels and temperatures. FleetPride is your First Click in Heavy Duty .