Reese Towpower 7-way round blade, durable plastic connector is designed to be installed on the vehicle end. It includes a convenient spring operated cover to keep out dirt when not in use. Solid brass terminals allow for excellent connectivity of electrical connections. Non-corrosive thermoplastic housing offers a clean attractive look that is molded to last. 7-Way RV blade style connections. Built in strain relief keep wire secured to terminals. Designed for 12 volt systems. To be used with Model No. 48505 end plug.