One product covers all common towing needs for all vehicle sizes | 8" drop distance and a 8-3/4" rise distance (adjustable in 1" increments) | Includes three independent steel, chrome-plated interchangeable hitch balls (1-7/8", 2", 2-5/16") | Two locking hitch pins with four keyed-alike keys protects against theft | Patented design with highest gross trailer weight rating of 12,000lbs