These 6.3 inch aluminum running boards are compatible with 2015-2023 F o r d F-150 SuperCrew Cab models, as well as 2017-2022 F o r d F-250 and F-350 Super Duty Crew Cab models. Please verify your truck's cab configuration and year before purchasing.The lightweight aluminum construction is rust-resistant and durable for daily use. The 6.3 inch width provides a comfortable stepping surface for easier entry and exit. These side steps feature a bolt-on design that uses existing factory mounting points – no drilling required.These running boards are intended for residential and light commercial use. Available in multiple finishes (check product listing for options).For best results, install on a level surface and follow included instructions. Periodically check mounting hardware for tightness. Clean with mild soap and water as needed.Whether you need side steps for a F-150 SuperCrew, a F-250 Super Duty, or a F-350 Crew Cab, these 6.3" aluminum running boards offer a durable and practical solution for your F o r d truck.