"Innovative and patented hoop step and mounting system works with or without a body lift with no modifications to bracket or bars. Available in wheel-to-wheel models orCab Length only models.All N-fab Nerf-Steps are built from .084 wall 3” tubing with a weight rating of 445lbs is highest in the industry 6 step model have a step at the bed for access to tool boxes, 5th wheel, gooseneck hitches or anything else in the bed."