Round bar/Trunnion WDH, Balances weight between trailer and tow vehicle, Createssmoother ride, Keeps tow vehicle level, Minimizes fishtailing, Durable black powder coatedfinish, Rugged steel construction, Adjustable Hy Low shank provided, Heavy duty adjustableformed head, Forged solid steel spring bars, Hook up brackets, Not to be used with surge brakesystems.