Mifeier 3" Round S/S Side Step Nerf Bars Running Boards Fit 07-17 Chevy Silverado/GMC Sierra 1500/2500/3500 New Body Style Crew Cab (4 Full Size Doors) Fitment:2007-2017 Chevy Silverado/GMC Sierra 1500/2500/3500 New Body Style Crew Cab(Exclude Diesel Models w/ DEF Tank) Item-offered 2pcs 3" Round Stainless Steel Side Step Nerf Bars + Brackets + Necessary Mounting Hardware + Installation Instruction Installation-type Direct Bolt-On To The Rocker Panel Surface-finish Mirror Polished,Shiny Chrome Color Material Made from heavy duty T304 Stainless Steel