Tow Ready Reese 63835 Class V Hitch Ball, Zinc - 2-5/16" Ball x 1-1/4" x 2-3/4", 12,000 lbs. Solid steel hitch balls engineered to meet all safety requirements of VESC regulation V-6 Cold forged for superior strength Ball Size: 2-5/16" Shank Diameter: 1-1/4"; Shank Length: 2-3/4" Rating: 12,000 GTW