Rhino-Rack Rhino Master Key Lock Set No. 125 (Pair)Master Keys allow you to upgrade the locks in selected roof racks and accessories to all use one key eliminating the need to vehiclery multiple keys. Say goodbye to having to fiddle with your keys to find the right one! Easy installation simply replace the lock barrels in your roof rack, kayak vehiclerier, ski vehiclerier, bike vehiclerier and other accessories and you're ready to go Allows you to have one key for most of your Rhino Rack products