Easy Swap. Changing the lenses on the Stage Series LED Light Bars takes just a few minutes! Remove the silver torx-head screws from the back frame, pull the old lens and o-ring assembly out, and put in your new lens, which comes with the o-ring preinstalled. Take care not to touch the inner optical surface of your new lens during the swap, or wear a pair of gloves to keep things clean. The locating pins ensure correct alignment and rotation. Reinstall the torx-head screws so they are very hand-tight, and you are ready to shine in your new color or beam pattern!