IMPORTANT - This running board side step is compatible with the 2019-2025 Chevy Silverado/GMC Sierra 1500 Double Cab, 2020-2025 Silverado Sierra 2500HD/3500HD (Gas Engine ONLY). Please check the Cab Size picture before ordering PRACTICAL DESIGN - 6" wide stylish black stainless steel pad provides a textured surface for excellent footing. Each side can support up to 450 lbs durability. The 6-inch non-slip injection step pad allows easy movement such as stepping in, stepping out, and even jumping (450 lb. capacity) SUPREME FUNCTIONALITY - Made from Stainless Steel and pre-treated with rust-resistant powder coatings. One-piece design ensures excellent performance and looks for years to come EASY TO INSTALL - Easy bolt-on installation with no drilling required. All factory holes are perfectly aligned with the mounts; bolts to factory mount in less than an hour