Made from heavy 10 gauge steel and powder coated gloss black. 3/8″ holes in the ends will accept lights with 3/8″ or smaller stems. Mounts in minutes in the same holes that held that big old stock light bar. No drilling or cutting. Our installation video, located just above the products, will show how easy it is to install. Be sure to click on the upper left hand corner of the video to see the list of videos to choose from.