Westin R5 Nerf Step Bars have 5 inch wide step area with a unique molded polymer step pad design. R5 Nerf Step Bars are rocker panel mounted and include injection molded bracket covers for a full and stylized appearance. R5 LED Light Kit upgrade is available, sold separately. R5 Nerf Step Bars; 5 in. Stainless Steel; Incl. Hardware; No Drilling Required; Incl. Injection Molded Bracket Covers F-150 SuperCrew 2015-2018; F-250/350 SuperCrew 2017-2018