"Whether it's work or play, the Aluma-Tow Ultra Hitch Mount gets the job done. This adjustable, interchangeable hitch mount covers all common towing needs for all vehicle sizes, and it has been tested to meet or exceed J684 towing standards. The rust-free aircraft-quality, aluminum-alloy body makes the product lightweight while providing maximum strength. Plus, the black oxide coating and stainless steel balls and pins withstand rust and the elements. The Ultra features a 6"" maximum drop and a 6-3/4"" maximum rise, which can be adjusted in 1"" increments, and it fits all trucks with standard 2"" square receivers. When towing with the 2-5/16"" hitch ball, the hitch offers a towing capacity of 12,000 lbs., allowing you to haul heavier loads with ease. Includes 3 interchangeable stainless steel hitch balls, 2 keyed-alike, stainless steel locking hitch pins to deter theft, and a convenient storage case to keep everything organized. Adjustable, interchangeable design Tested to meet or exceed J684 towing standards Rust-free aircraft-grade, aluminum-alloy body with oxide coating and stainless steel balls and pins 6"" maximum drop and 6-3/4"" maximum rise Adjusts in 1"" increments Fits all trucks with standard 2"" square receivers Towing capacity of 12,000 lbs. Includes 3 interchangeable ball hitches, 2 locking hitch pins, and carry case"