CAREPAIR Rocker Panel Mount: 2pcs 4" Carbon Steel Oval Side Step Rails Nerf Bar Running Board For 07-16 Silverado/Sierra 1500/2500/3500 New Body Style Crew Cab (w/4 Full Size Doors) Item-offered: 2pcs 4" Oval Carbon Steel Side Step Nerf Bars With Rubber Caps + Brackets + Necessary Mounting Hardware + Installation Instruction Installation-type: Direct Bolt-On To The Rocker Panel Surface-finish: Black Powder Coated Material: Made from heavy duty Carbon Steel Position: Come with both sides: 1pc for driver side and 1pc for passenger side.