Discount Ramps Double Ball Trailer Hitch (1-7/8" and 2") 2-Ball trailer hitch for 2" Class III/IV hitch receivers 1-7/8" Ball capacity: 3,500/350 GTW/TW 2" Ball capacity: 5,000/500 GTW/TW 8" Distance from the pin hole to center of hitch ball Heavy duty steel construction with a black paint finish