Westin's HDX Drop Nerf Step Bars provide the rugged look and function that truck owners need and want. They feature a solid 1-piece steel construction and heavy duty punch plates creating high traction step areas. The HDX Drop Nerf Step Bars also feature Westin's notched bar design which allows for more than 2 inches of additional toe/heel placement over its competitors. Available in a textured black finish that complements Westin HDX Bumpers. The HDX Drop Nerf Step Bars have vehicle specific applications and include a vehicle specific mount kit, installation hardware and instructions. PERFECT FIT: Direct fit for 2015-2023 F-150 SuperCab 2017-2022 F-250 F-350 Super Duty SuperCab AWARD-WINNING: Award winning 1-piece notched bar design features over 2” more step area than competition, with high traction die stamped steel step plates. PREMIUM QUALITY: Constructed from mild steel for high strength, E-coated and powder coated for durability, corrosion resistance, and great looks. Designed in the USA by Westin’s in-house engineers using OEM CAD data, and extensively tested on vehicle to ensure perfect fit and performance. EASY TO INSTALL: Easy bolt-on installation with no drilling required. All installation hardware, mounting brackets, and DIY installation instructions are included. HASSLE-FREE: Backed by a comprehensive 3 year limited warranty against manufacturing defects. MODEL NO - 56-13935