XtremepowerUS Hitch Ball Coupler  2", 2-1/2" Tongue Hitch Ball Diameter: 2", Tongue Width: 2-1/2", Class: II, Towing Capacity: 3,500 Use with Industrial, Commercial, Utility Agricultural & Recreational Equipment Drop Forged, Heat Treated Flanged Steel Construction Sturdy, Riveted Tongue Lock with Spring Release