Reese Towpower Adjustable Ball Mount is rated for 500 pounds tongue weight and 5,000 pound gross trailer weight. Specifications measure 13-1/2" Length, 6-1/4" Maximum Rise and 7-1/2" Maximum Drop. The 2 inch square hitch bar has an adjustable rise and drop to level your trailer and add to the safety and ease of towing. The longer shank length allows for turning clearance from vehicle bumper to trailer frame. Features a 1 inch hole for your trailer ball shank. A quick release pin and clip offers maximum adjustability.