Steelcraft 11-15 JEEP GRAND CHEROKEE (Excl. SRT & Trail Hawk) ALUMINUM Side Step Running Boards Nerf Bars 6 widestep surface with molded traction strips running the length of the board for sure footing Injection molded end cap made from the highest quality polymers to ensure UV and corrosion resistanc Aircraft grade extruded aluminum deck is computer engineered for optimum strength Custom heavy duty brackets; vehicle specific. Mounting brackets & hardware included Available in multiple lengths to fit most SUVs and CUV s. Limited lifetime warranty