R&L Racing 3" Tube Chrome Side Step NERF Bars Running Board 14+ Silverado/Sierra Double CAB Fit: 2014 & Up Chevy Silverado 1500 Double ( Extended ) Cab Models, 2015 & Up Chevy Silverado 2500 HD / 3500 HD Double ( Extended ) Cab Models, 2014 & Up GMC Sierra 1500 Double ( Extended ) Cab Models, 2015 & Up GMC Sierra 2500 HD / 3500 HD Double ( Extended ) Cab Models ( Will Fit Models That Have 2 Full Size Doors & 2 Smaller Rear Doors That Open In The Same Fashion Only ) Made from galvanized mild steel 3" round tube. Pressed recesses for step pads give superior strength and durability Heavy Duty T-304 Full Stainless Steel With 5 years Warranty Against Rust And Corrosion Custom fit mount kit for easy installation included Sold As A Pair ( Both Passenger & Driver Side ) and all the necessary parts for installation