CURT 56172 Vehicle Side Custom 4 Pin Trailer Wiring Harness, Select Ford Explorer hitches tongue weight Fits trailer hitches Rated at 24 tongue weight Fits trailer hitches with a 2" x 2" receiver tube opening Welded trailer ball accepts a 2" coupler Permanently attached trailer ball cannot be loosened or stolen 2" drop for precise trailer leveling Key operated hitch lock adds security to your trailer Includes two keys for added convenience Hollow shank weighs less and can be used with an anti rattle kit Dead bolt lock style with bent handle for easier operation Easy to operate one year parts) 45534 as well as a dust cover to keep the connector clean when not in use It takes a solid connection and the right amount of power