RAFTUDRIVE Running Boards: 6 in Oval Stainless Steel Fit 09-13 Silverado/Sierra 1500 2500/2500HD 3500/3500HD Extended Cab (with 2 Full Size Front Doors and 2 Half Size Rear Doors) Only fit 99-13 Silverado/Sierra 1500/2500/3500 Eex Cab (With 2 full size front doors and 2 half size rear doors) 6 Inch Oval Style Stainless Steel Tube + Slip-Resistant Plastic Step Pads Made from heavy duty T304 Stainless Steel Direct Bolt-On, Unnecessary drilling Mirror Polished, Shiny Chrome Color