Key Locks, Pins & Clips    K-400  (Key Lock with 5/8" Pin)    K-58    (5/8" Pin & Clip)    K-60    (5/8" Pin & Clip for a 2-1/2"                  Receiver)    K-412  (Key Lock with 1/2" Pin)    K-512  (1/2" Pin & Clip)    MTG Kit  (Bolts & Lock Nuts - Grade 8 -                     Set of Four)        Secure the adapters to your 2" receiver with our various pin and clip sets.        For additional theft protection for your new Multi-Hitch, a specail pin and lock set is also available. Trailer Balls - 3/4" Shank Diameter    R-200  Trailer Ball with 2" Diameter (3,500 lbs. GTW)    R-178  Trailer Ball with 1-7/8" Diameter (2,000 lbs. GTW)        Chrome Finish        3/4" Shank Diameter        2" Shank Length        Nut & Lock Washer included Trailer Balls - 1" Shank Diameter    HD-200  Trailer Ball with 2" Diameter (6,000 lbs. GTW)            Chrome Finish        1" Shank Diameter        2" Shank Length        Nut & Lock Washer included Trailer Balls & Locknuts - 1-1/18" Shank Diameter    K-202/S  (2" Ball)    K-203/S  (1-7/8" Ball)    K-205/S  (2-5/16" Ball)    K-207  (1-1/8" Locknut)        Chrome Finish        1-1/8" Shank Diameter        2-1/2" Shank Length        Rated at 16,000 lbs. GTW        Locknut included