"Rely on the Aluma-Tow 12K-Rated Receiver With Carrying Case for superior towing performance. This patented lineup of adjustable and interchangeable hitch mounts covers common towing needs, offering superior versatility for every job. Kit includes 3 independent, chrome-plated, steel hitch balls that are easily interchangeable; 2 keyed-alike swivel locking hitch pins to deter theft; and a convenient storage case to keep everything organized. All Aluma-Tow models are independently tested to meet or exceed J684 towing standards. The aircraft-quality, aluminum-alloy body ensures corrosion-resistant longevity, while providing maximum strength with minimized weight. When towing with the 2-5/16"" hitch ball, the hitch offers a towing capacity of 12,000 lbs. to haul heavier loads with ease. Drivers who demand towing excellence contractors, boat owners, ranchers, and others trust Aluma-Tow interchangeable aluminum hitch mounts to get their trailer, boats, and RVs to their destination safely. Adjustable in 1"" increments 3 interchangeable chrome-plated, steel hitch balls 2 keyed-alike swivel locking hitch pins Convenient storage case Tested to meet or exceed J684 towing standards Aircraft-quality, aluminum-alloy body"