A popular addition to the GMC line of trucks is some sort of step, to make entering the truck easier. Many people feel the best-looking option is the GMC nerf bar, which adds a bit of style to the truck, while perfuming its duty flawlessly. It is a three-inch or four-inch diameter tube, which has rubberized steps underneath each door. The GMC nerf bar is available in a round cross-section, as well as an oval cross-section, which provides more surface area for the foot. There are two basic styles, and the first one has ends that curve underneath the edge of the body. The second style is a straight tube design with matching end caps, which sets a few inches away from, but parallel to the body. Each GMC nerf bar is available in either a matte black finish, or a polished-steel finish, both of which resist rust. Whatever style you choose, it is very easy to install, because each unit it designed so that it requires no drilling. The included installation brackets are powder coated to prevent corrosion. Also within the GMC nerf bar kit, is a full set of instructions and all other necessary hardware to complete the installation. The GMC nerf bar comes with a full warranty from the manufacturer. In our online catalog, you will find this accessory, as well as a wide assortment of other parts and accessories for your GMC truck. With our easy ordering system and very quick shipping, you can be installing your new GMC nerf bar in little time. If you have any questions about your GMC nerf bar, help can be reached at anytime on our live chat system or via a toll-free phone call.