Curt Manufacturing 45036 Towing Wiring Fits trailer hitches with a 2" x 2" receiver tube opening Factory-torqued CURT trailer ball accepts a 2" coupler 2" drop for precise trailer leveling Hollow shank weighs less and can be used with an anti-rattle kit CNC-formed, robotically welded and mechanically descaled for a perfect fit Made-in-USA custom-fit trailer hitches and wiring Comprehensive, in-house testing capabilities for safety A full line of towing products, including heavy-duty equipment