Master Lock 2948AT Solid Steel Receiver Tube Tri-Ball Mount, 5/8" Hole, Black Powder-Coat Finish 1 7/8 in, 2 in, 2-5/16 in Ball Diameter 3500lbs maximum, 6000lbs maximum and 10000lbs maximum load capacity Designed to provide excellent towing facility Features black powder coat finish Made from solid stainless steel Includes three hitch balls Backed by a limited lifetime warranty