Weight Distributing Hitch Sway Control – SwayPro Weight Distributing System – SwayPro Weight Distributing System – 1500 lbs. TW – Underslung – For Use w/Clamp On Bracket. Features: Evenly Distributes Weight Over Tow Vehicle/Trailer Axles. Creates Level Ride For Tow Vehicle And Trailer. Built-In Friction Sway Control Prevents Trailer Sway. Trunnion Spring Bars Flex For Controlled Even Ride. No Pins Or Clips Needed. Rotating-Latch Lift Brackets Connect Spring Bars To Trailer. Required Tilt Built Into Head Assembly. Powder Coated Steel Construction. Blue Ox is known internationally for its quality towing products, from tow bars and baseplates, to steering control systems, supplementary brakes, carriers, weight distributing and gooseneck hitches and everything in between. With a product and accessory line as diverse as their customer base, Blue Ox has everything to meet your recreational or commercial needs.