Our round and oval style side step bars is precision designed for the specific vehicle, to guarantee a perfect fit. They're manufactured in powder coat or stainless steel finish in both 3-inch, 4-inch and 5-inch diameters, for all cab lengths and Wheel-to-Wheel lengths. The tubes are mandrel-bent, to ensure quality and consistent shape. And each tube comes equipped with non-slip U.V. Resistant step pad areas, to make sure wet or muddy boots won't skid.