R&L Racing 4" SS Chrome Side Step NERF Bars Running Boards 04-12 Chevy Colorado/Canyon Crew Application: 2004-2012 Chevy Colorado Crew Cab Models, 2004-2012 GMC Canyon Crew Cab Models ( Fit Models With 4 Full Size Doors Only ) Made from galvanized mild steel 4" 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