2-1/2", Class II Interlock Towing Starter Kit, 7" Long, Fits 1-1/4" Hitch Box Opening, 2-1/2" Drop & 2" Rise, 2" Diameter Ball Size, 1/2" Pin & Clip, 3500 LB Capacity.
Reese, 3-1/4", Class III, Ball Mount Kit, 5,000 LB, Gross Weight Capacity, 500 LB Tongue Capacity, Fits 1" Diameter Ball, 3-1/4" Drop, 2" Rise, 9-1/2" Length, Black Finish, For Use With 2" Square Receiver Opening, Including An Interlock Ball Mount With Pre-Torqued Interlock Hitch Ball, 1 Wrench Tightening System.