Chrome, Interchangeable Hitch Ball System, 1" Shank, Hitch Ball Diameters Include: 1-7/8", 2", 2-5/16", 8000 LB GTW 1000 LB TW, 3 Interchangeable Hitch Ball Sizes Easily Fit Stationary Hitch Ball Spindall So That You Do Need To Unscrew & Re-Torque Each Time You Change Your Ball Size.