Interchangeable Hitch Ball by Master Lock

The ball diameter can be changed with only a quarter turn and without any tools. The hitch ball's retention blade includes a pocket-knife style blade to aid rotation. Available in two (2) styles: 3/4' Shank, 1 7/8' and 2 5/16' Balls Interchangeable Hitch Ball, 1' Shank, 1 7/8' and 2 5/16' Balls (additional $15.00).