The Aluma-Tow with 6" drop from Uriah Products provides you with one product for all of your towing needs. The Aluma-Tow has the highest rated gross trailer weight on the market of 12, 000 pounds. The adjustable ball mount fits into a standard 2" square receiver. It has a 6" max drop distance and a 6-3/4" max rise distance (adjustable in 1" increments). Included are 3 independent steel, chrome plated interchangeable hitch balls (1-7/8", 2", & 2-5/16") covering all vehicle sizes. The aircraft quality aluminum alloy body design is rust free and makes the product light weight while also providing maximum strength. The package includes two locking hitch pins with 4 key-to-like keys that prevents theft while connected to your vehicle. This meets and exceeds the J684 Towing Standard Testing. | Uriah 6" Adjustable Aluma -Tow Tri-Ball Mount