Reese Towpower recreational vehicle blade style 7-way round trailer end connector is designed to plug in to the tow vehicle's 7-way round connector. The 7-way connectors include electric brake, auxiliary, and backup circuits. Solid brass terminals allow for excellent connectivity of electrical non-corrosive thermoplastic housing offers a clean attractive look that is molded to last. Features non corroding brass terminals. Built in strain relief keep wire secured to terminals. Designed for 12V systems. To be used with Model No. 48485 vehicle end socket.