The Trimax TBSXAL2516 Stainless Steel Tow Ball is designed to fit the Razor XTR and RP Aluminum Adjustable Hitches.• Fits Razor XTR and RP Aluminum Hitches• Made of stainless steel• Shank: 1" dia. x 3.5"L• Tow Capacity: 10, 000 lbs.• Torque: Up to 240 ft. lbs. 1"" dia. x 3.5""L shank 10, 000-lb. tow capacity | Trimax 2-5/16" Stainless Steel Tow Ball For Razor RP and XTR Aluminum Hitch Only