VXMOTOR 2014-2018 Chevy Silverado/GMC Sierra 1500/2500 / 3500 HD Double (Extended) Cab 3" SS Chrome Heavyduty Side Step NERF Bars Rail Running Boards Application:2014-2018 Chevy Silverado 1500 Double ( Extended ) Cab Models, 2015-2018 Chevy Silverado 2500 HD / 3500 HD Double ( Extended ) Cab Models, 2014-2018 GMC Sierra 1500 Double ( Extended ) Cab Models, 2015-2018 GMC Sierra 2500 HD / 3500 HD Double ( Extended ) Cab Models ( Important Note: Will Fit Models That Have 2 Full Size Doors & 2 Smaller Rear Doors That Open In The Same Fashion Only ) 3" Inch Side Step Nerf Bars.- Color: CHROME Heavy Duty T-304 Stainless Steel Plus 5 Years Warranty Against Rust And Corrosion Installation Guide & All Necessary Mounting Hardware Are Included Body Mount Design For Strength & Durability, Rugged Frame & Stainless Steel Tubes Maximizes Rust Protection