Best in class sway control design. The recurve R3 weight distribution hitch keeps your trailer towing setup safe and level, giving you superior control and a smoother, more stable driving experience. Built to last from high-carbon steel, this control hitch avoids metal on metal wear while delivering reliable towing with a 2 5/16 ball (12,000 lb max rating) It has a fast , user friendly setup: the top loading spring bars ensure fast , easy installation without any need for grease, its design offers superior ground clearance and reduces physical effort . Fits onto a 2” hitch receiver only used 4 times