The N-Fab Growler's aggressive tread design on its 7" wide board allows for traction in any condition. Its 100% aluminum construction provides long lasting strength and corrosion resistance. The Growler step was designed with your work truck or fleet vehicles in mind. The Growler offers a rugged look with the function needed for every day use. Bolt-on brackets make installation quick and easy. Includes all necessary hardware and easy to understand, vehicle specific installation instructions. N-Fab products are backed by an industry leading 5-year warranty on the product's finish, and Limited Lifetime warranty on workmanship.