PN#17200 SKU#2540 Finish: Carbide Black Powder Coat. Material: Blank. Helps limit lateral trailer movement to reduce sway. Fits most weight distribution hitches or a sway tab mount #45820. Included weld-on sway tab allows for use with most ball mounts. Includes sway control unit, trailer-mounted attachment ball & bolt, hitch-mounted attachment ball #40093, weld-on tab to adapt for left-hand use or for use without weight distribution hitch, mount reinforcement plate and attachment clips.