Lund 22368740 Chrome 6" Oval Straight Nerf Bars for 2015-2018 Ford F-150, 2017-2018 Super Duty F-250, F-350, F-450, F-550 SuperCrew Style and strength of these larger size bars look awesome on full-size trucks and SUVs while straight bar ends provide a factory appearance to full-size trucks and SUVs Constructed with cutting-edge polymers mated to a recessed, extruded aluminum frame; Chrome Finish Wide step with UV-resistant rubber pads, are larger than traditional bar steps for stability Pre-assembled for easy no-drill installation with all mounting hardware included Solid construction supports up to 350 pounds