Reese Towpower® 7031400 Tri-Ball Mount with HookThe Reese Towpower Tri Ball Mount with hook eliminates the need for carrying extra bars for different trailers. Simply pull out the ball mount and rotate to the desired hitch ball or towing hook. It is engineered and tested to meet quality performance standards. One ball mount bar for three size balls 1 7 8" ball = 200 lb. capacity 2" ball = 600 lb. capacity 2 5 16" ball = 1,000 lb. capacity Towing hook also included Eliminate the need for carrying