Ionic 5" Stainless Steel Curved Nerf Bars (fits) 2007-2018 Chevy Silverado GMC Sierra Double Cab Only Rocker Mount Truck Side Steps (402129P) Stylish curved tube design to enhance your trucks look and to make getting in and out more functionable 5" Non-slip step pads keeps your feet from slipping Made with Solid T304 Stainless Steel Tubing and then polished for a great look. Tough, these bars provide support for up to 350 pounds Limited Lifetime Warranty - Sold in Pairs and includes everything needed for an easy at home installation