The CURT weight distribution hitch is a specialized towing system that provides improved vehicle and trailer control by leveling the trailer and more evenly distributing its tongue weight across the trailer's and vehicle's axles. This CURT round bar weight distribution hitch comes with a 2" x 2" shank, hook-up brackets, spring bar safety chains and a pin and clip for a complete installation (trailer ball not included). It has a weight capacity range of 5,000 to 6,000 lbs. GTW.