Lund 22368739 Chrome 6" Oval Straight Nerf Bars 2015-2018 Silverado/Sierra 1500, 2500HD, 3500HD Crew Cab; Diesel 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