Lund 23784842 Polished Stainless Steel 5" Oval Curved Nerf Bars for 2004-2008 Ford F-150 SuperCrew 5" Oval step provides extra-wide stepping area for solid traction and stability; Curved end design tucks back under edge of vehicle Marine-grade polished 304 stainless steel finish 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