LUVERNE Grip Step 7" running boards are engineered for safety, strength and durability. They are the ideal truck side steps for construction workers, farmers, contractors, fleets and all-around tough jobs. These Grip Steps are built with expanded metal treads, powder-coated aluminum construction, and they feature the XD bracket system for maximum rigidity, all to give your truck the professional edge it needs to get the job done. LUVERNE Grip Step 7" running boards offer fleet-approved safety with their unique expanded metal treads. Instead of plastic step pads, the treads are integrated with the board itself and lock onto your boots or shoes for superior traction. The open tread design also allows dirt, snow and debris to pass through the step, helping to keep your truck cab clean. The 7" width of these truck side steps allows them to offer exceptional comfort and reliability each time you climb into your vehicle. LUVERNE Grip Step running boards are built from powder-coated aluminum for optimal resistance to the rigors of the job and the elements. Aluminum keeps the steps strong and lightweight while maintaining excellent resistance to corrosion. For even greater corrosion resistance, they also receive a textured black powder coat finish, shielding them from the elements and helping to maintain a sleek, professional look. For extra strength on hardworking trucks, these Grip Step running boards feature the XD bracket system. The brackets are enhanced with a high-strength design to maximize the rigidity of the running boards compared to standard brackets. The XD brackets are made vehicle-specific for the easiest possible installation on each application, and they are powder-coated for long-lasting durability. This set of running boards fits specific years of the Ford F-250 Super Duty, F-350 Super Duty, F-450 Super Duty and F-550 Super Duty crew cab (see application info to verify fitment).