Curt Sway Control Kit includes the following: Sway control unit * Trailer mounted attachment ball with hardware * Hitch mounted attachment ball(40093) * Weld-on tab to adapt for left-hand use or for use without weight distribution hitch(45822) * Mount reinforcement plate * Attachment clips.
Trailer mounted attachment ball (comes with 4 self-tapping bolts)
Sway Control Hitch Ball