CURT 17331 Short Trunnion Bar Weight Distribution Hitch, Up to 8,000 lbs., 2 Inch Shank mens t shirt example Allows for repositioning of spring GH 1724 Allows for repositioning of spring bars around an LP tank or other obstruction Replaces factory spring bar brackets or hangers Clamp on design uses a bolt to fasten tightly on the frame Brackets protected by a highly durable carbide powder coat finish Limited lifetime warranty (one year finish Mounts to a trunnion bar WD hitch head to help level the trailer and tow vehicle Fits CURT trunnion bar weight distribution hitches #17333 and #17422 Pre assembled with spring bar chain for ready attachment Multiple chain links allow for flexible adjustment of tension Constructed from forged steel for optimum strength Protected by a highly durable carbide powder coat finish 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 A trailer ball must be purchased separately