Crew Cab-ProEFX Nerf Bars are made of high quality 304 Stainless Steel. Built to last the life of your vehicle with Non-Slip pads to allow easy entry in and out. Add a set of ProEFX Nerf Bars or Step Bars to your vehicle and see what you have been missing! Constructed of high polished 304 stainless steel. Easy to install - no drilling or cutting required. Installation instructions included.