Feature●▶? These running boards are compatible with Chevy Silverado 1500 2019-2021, Chevy Silverado 2500HD 3500HD 2020-2021, GMC Sierra 1500 2019-2021, GMC Sierra 2500HD 3500HD 2020-2021, fits with extended cab models.●▶? Come with set of [2] black powder coated finish running boards with large slip-resistant step pad. It can support up to 500lbs.●▶? It is constructed of durable and rust-resistant mild steel to ensure a long lasting life in outdoor conditions.●▶? Easy to install, no-drill installation bolts right to factory mounting points in less than an hour (most models). Please note: Vehicle specific mounting brackets included.●▶? Width: 4" | Body Mount Style BracketsDescription