Lund 24010561 Black Steel 5" Oval Straight Nerf Bars for 2007-2018 Silverado/Sierra 1500, 2500HD, 3500HD Crew Cab 5" Oval step creates safe, sure stepping surface with a modern OE look; No-nonsense straight style, is clean and stylish 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