Fit 04-08 Ford F150 Super/Extended Cab (w/ 2 Half Size Rear Doors) 4" Oval S/S Side Step Rails Nerf Bar Running Boards Installation: Bolt-on Style: 4" Inch Oval Style Tube + Slip-Resistant Plastic Step Pads Item Offered: 2pcs 4" Oval Stainless Steel Side Step Nerf Bars + Mounting Hardwares + Installation Instruction Material: Made from heavy duty T304 Stainless Steel Surface finish: polished