Rugged Industrial Appearance Provides A Step For Easy Entry Doubles As Side Protection Stamped Steel Construction Durable, Black Powder Coated Finish Style and Function. A set of Duratrek Rattler Steel Running Boards are an excellent way to improve the accessibility and appearance of your Double Cab Silverado. Running the length of your cab, these Rattler Running Boards provide a 6.5-inch wide step allowing for easy entry in and out of your 2019-2021 Chevrolet Silverado 1500. These Running Boards feature a rugged industrial look that will give your Silverado a more aggressive appearance. As an added bonus, these Duratrek Running Boards also protect against brush, trail hazards and even dreaded parking lot door dings.Quality Construction. Designed for durability and extra strength, these Rattler Running Boards are crafted from heavy duty, 14 gauge carbon steel. Each Running Board is e-coated and completed in a tough black powder coated finish, providing long lasting corrosion protection.Bolt-on Installation. Duratrek designed their Rattler Running Boards to be easily mounted using the existing factory locations. All the necessary hardware and brackets are included for a quick and painless upgrade.Application. These Duratrek Rattler Steel Running Boards are designed to fit 2019-2021 Chevrolet Silverado 1500 Double Cab models. Does not fit Silverado 1500 Legacy models. Driver and passenger side included.