Tow more than one trailer? Take advantage of your existing 4 Flat with the Hopkins Towing Solutions Multi-Tow 4 Wire Flat to 7 RV Blade and 4 Wire Flat Connector. The multi-tow connector attaches to an existing 4 flat to bring the lighting functions to the 7 blade and 4 flat connectors, leaving electric brakes, auxiliary power, reverse lights and ground as the only functions that need to be wired. The Multi-Tow connector design feature adds multiple towing options from one connector by providing sockets for towing both 7 blade and 4 fat trailers. The terminals on the connector are resistant to corrosion for lasting performance.