ARIES 4444024 53-Inch Oval Polished Stainless Steel Nerf Bars, Select Ford F-250, F-350, F-450, F-550 Super Duty fender Mounts to a trunnion bar Hub Face Length (Inches):76 Cargo 11725 Adjustable rubber cradles will

ARIES 4444024 53 Inch Oval Polished Stainless Steel Nerf Bars, Select Ford F 250, F 350, F 450, F 550 Super Duty fender Mounts to a trunnion bar Hub Face Length (Inches):76 Cargo 11725 Adjustable rubber cradles will 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 This replacement head for the CURT adjustable tri ball mount #45799 features three different trailer ball sizes to accommodate all standard coupler sizes: 1 7 8"