Westin 21-23720 Pro Traxx 4 Oval Nerf Step Bars, Stainless Steel BE SECURE IN YOUR STEP: Westin's Pro Traxx 4 Oval Nerf Step Bars feature a 4" oval tube with a heavy-duty step pad that provides a wider and more secure step area. HEAVY DUTY LOOK & STYLE: Made from polished 304 stainless steel with a 4"" wide step pad for secure footing. SEAMLESS DESIGN: Featuring 30 OE style bends that have seamless domed ends so there are no end-caps or exposed bolt heads BOLT-ON INSTALLATION: Applications are bolt-on installation - no drilling required on most applications. INCLUDED COMPONENTS: Mount kit, installation hardware, and installation instructions.