The Aluma-Tow® UT623410 is a silver aluminum adjustable interchangeable hitch that by Uriah Products®. It has the highest rated gross trailer weight of 12 000 lbs. The adjustable ball mount fits standard 2 square receiver. It has a 6 max drop and 6 3/4 max rise (adjustable in 1 increments). 3 interchangeable hitch balls are included (1 7/8 2 & 2 5/16 ). The aircraft quality aluminum alloy is corrosion free and lightweight. It includes two locking hitch pins with 4 key-to-like keys. Aluma-Tow® meet and exceed J684 towing standard testing.