Westin(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 in. Round Step Bar Cab Length; Single Step Pad; Black; Steel; Mount Kit Included; For Super Cab And Extra Cab; Ranger/Ranger Edge SuperCab 1999-2011; B-Series Pickup Extra Cab 4Dr 1998-2010 1998-2010