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 thermo-plastic housing offers a clean attractive look that is molded to last. 7-Way RV blade style connections Non-corrosive thermo plastic construction Features non-corroding brass terminals Built in strain relief keep wire secured to terminals Designed for 12 volt systems Flat style contact pins mean easy, positive connecting and disconnecting Designed for RV trailers Compatible with plastic or metal 7-Way blade connectors