Connor Towing 1623650- Multi-Ball 2" Mount: GTW-6000,10000 lb. Fits Class III/IV 2 in. x 2 in. receiver 2 in. & 2-5/16 in. balls Ball Capacity 6,000 lb., 10,000 lb. GTW Use 5/8 in. hitch pin or lock Black powder coated finish