MaxMate Custom Fit 2007-2017 Chevy Silverado/GMC Sierra 1500/2500/3500 Extended/Double Cab (Rocker Panel Mount,Excluding Diesel Models With Def Tanks) Stainless Steel 3" Side Step Rails IMPORTANT: Please check the FITMENT chart above to make sure it fits your vehicle. 100% brand new 2 bars for both driver & passenger sides. All mounting hardware and DIY instruction included. Step bars are made of heavy duty Marine-Grade stainless steel 3 inch round tubing. rust free! UV resistant non-slip wide step pads. Easy No-Drilling DIY installation in minutes. Lifetime warranty