The new Rail Side Rocker Guard steps give maximum protection for the sides of the Jeep JLU. The Rail Side step withstands the impact from hard rocky terrain and allows your Jeep to slide off obstacles with 1.75 - inch, 0.120 - inch wall steel tubing that feature a black powder - coated finish. The one - piece design was engineered to be installed directly to OEM rock slider mounting locations for a no - drill bolt - on installation.