1-7/8 in., 2 in., 2-5/16 in. Chrome Towing Balls Adjustable Tri-Ball Tow Hitch Features: 3 Ball Adjustable Tow Hitch Mount Heavy Duty Steel Construction With Solid Shank Fully Adjustable From 6-1/2" Drop To 6 1/2" Rise. 3 Hitch Pins Included Hard Chrome Plated Tri-Ball For Maximum Corrosion Resistance Special Treated High Strength Solid Steel Shank For Maximum Strength Tri-Ball Design For Quick And Easy Ball Change Three-Pin Design For Maximum Safety And Durability Stability Adjustment For Maximum Rigidity 13" Adjustable Vertical Travel For Maximum Versatility 3 Ball Sizes: 1-7/8" Ball ? 6,000lb Capacity 2" Ball- 7,500lb Capacity 2-5/16" Ball - 10,000lb Capacity Fit 2" Square Receiver 13" Total Vertical Travel