Westin 2010-2013 Toyota 4Runner SR5 (Excl Trail Edition) E-Series 3 Nerf Step Bars - BlackWestin(TM) E Series Nerf Bars are made of 3in. diameter round tubing and are vehicle specific designs. Step design and mounting technique varies by application (mounting kit included). They feature recessed area mounted step pads unique to E Series Nerf Bars feature the Westin(TM) brand name and are UV resistant. E Series 3 Round Nerf Step Bars; Single Step Pad; Black; Steel; Mount Kit Included; Rocker Mount; 3 in. Round Tube