U-drive 5" inch Oval Black side step Nerf Bar Running Boards for 07-15 Silverado/Sierra 1500/2500/3500 New Body Style Extended Cab (With 2 Full Size Front Doors and 2 Half Size Rear Doors) Only fit 2007-2015 Chevy Silverado/GMC Sierra 1500/2500/3500 New Body Style Extended Cab With 2 Full Size Front Doors + 2 Half Size Rear Doors (Exclude Diesel Models w/ DEF Tank) 5" Inch Oval Style Tube + Slip-Resistant Plastic Step Pads Made from heavy duty Carbon Steel Direct Bolt-On in Assembling Finished Surface is Black Powder Coated