Lund 23090908 Black Steel 3" Round Bent Nerf Bars for 2015-2018 Ford F-150, 2017-2018 Super Duty F-250 to F-550 with SuperCrew Cab 3" Round nerf bars with ends bent slightly toward vehicle provide a timeless design and economical step solution for your truck or SUV Rugged and durable black powder coated steel is corrosion resistant Non-slip, flat step pads provide traction for safe footing Solid construction supports up to 350 pounds Pre-assembled for easy no-drill installation with all mounting hardware included