N - FAB takes innovation to a new level with AdjustSTEP adjustable height Nerf Steps. Built around N - FAB's patented mounting system and 3 in. wheel to wheel main tube assembly, AdjustSTEP features Vertically Variable Step (VVS) technology, allowing for up to 5.5 in. of vertical height adjustment at each step. This technology makes AdjustSTEP ideal for any vehicle, whether stock or lifted. AdjustSTEP Nerf Steps come equipped with steps for each door, and can be upgraded to Bed Access configuration with an additional pair of N - FAB VVS steps.