This is a great 2” ball trailer A-Frame design coupler.  This trailer coupler is designed to be welded onto the trailer tongue.  It is typically used on utility trailers and enclosed trailers.  This ball hitch has a lever lock design which is very common and easy to use.  It has a maximum tow rating of 5,000lbs and a tongue weight rating of 700lbs.  It features a standard 3 hole threaded jack mount.  Every tongue jack that has the triangular 3 hole flange will bolt to this coupler.