MaxxHaul 70380 Black/Chrome Adjust Dual Ball Mount Towing capacity: 8,000 pounds GTW with 2" hitch ball and 12,000 GTW with 2-5/16" hitch ball Maximum rise: 7-1/2" Maximum drop 6-1/2" Ball diameters: 2 inches and 2-5/16 inches. Dual-pin design provides stability Fits any 2" x 2" receiver; 12,000 pounds capacity