Three hitch balls, 1-7/8 in, 2 in and 2-5/16 in rotate and lock into place with included pin and clip. Height adjusts to 7 in rise and 7 in drop. Box opening of 2 in x 2 in. 200/2,000 TW/GTW capacity for 1-7/8 in ball hitches, 600/6,000 for 2 in and 1,000/10,000 for 2-5/16 in. Receiver Series 33, 35, 36, 37 and 44.