Curt Manufacturing 58003 Trailer Hitch Allows connectors to be hitch-mounted with no drilling or clamping required Accepts 4-way or 5-way flat and 6-way or 7-way round connector sockets Fits virtually any 2 1/2" x 2 1/2" trailer hitch receiver tube Two threaded bolts ensure a fast, secure hitch mount Slotted screw holes to fit multiple connector types