Eye Nuts for our KC M-RACKS Roof Racks are a great way to more easily mount and attach gear to the top of your roof rack. From storage containers, to bikes, to anything else, these easy to install tie-down points for your roof rack can help you strap it down. They create an easy tie-down point for securing gear to your roof rack, have a large opening hole that is compatible with most tie-down cam buckle straps, ratchet straps, cinch straps, and bungee cords. Plastic washer ensures a quiet ride for no metal-on-metal vibrations or noise. Universal fit for use on any of our KC M-RACKS Roof Racks.