Designed to resemble the sleek, sophisticated cell phones of today these running boards are beautiful and functional. The APS 4 matte black finished iboards are constructed of 6061 aircraft grade aluminum and feature a brushed finish for a sleek, yet stylish appearance. The use of the high-grade aluminum makes these boards highly resistant to rust, corrosion and the elements and with a generous 4 wide step tread they are a safe and secure place for you to place your feet. These boards offer four holes on each mounting location providing one of the strongest board structures in the industry. The boards will come with all necessary mounting hardware and installation instructions that are required for your specific vehicle.