YITAMOTOR running boards are compatible with 2019-2026 Chevrolet Silverado /GMC Sierra 1500 Crew Cab, 2020-2026 Silverado/Sierra 2500HD 3500HD Crew Cab (Excl. 2019 1500 LD), ensuring seamless integration and enhanced style. Boasting a high-performance stainless steel surface, our side steps offer exceptional corrosion resistance, durability, and support up to 450 pounds on each side. 6-inch wide boards provide generous stepping area; The nerf bars' non-slip surface is designed to withstand the harshest weather, ensuring you stand firmly when you get on and off. YITAMOTOR step bars feature a textured powder coating for enhanced rust resistance, long-term durability and an aggressive appearance. Special slide mount design on the bottom eliminates the need for punching holes, allowing for better adaptability to the car and faster assembly. The no cutting, no-drilling installation can be quickly completed within an hour. Included Components: 2* running boards, 8* mounting brackets, and all necessary hardware. Material: Anti-Rust Stainless Steel. Finish: Carbide Black Powder Coating. ABS Step Pad work well in all-weather conditions, featuring anti-UV, anti-heat, anti-cold properties and strong durability. Brackets are made from heavy duty, thick steel, supporting up to 450 lbs per bar.