Today we're going to review part number 853-1251. This is the Thule universal change key for Thule locks. This key will allow you to remove your Thule lock with this master change key and replace it with a Thule one key system lock, which we sell separately. This will make all your Thule locks key to like. This will work with all of the Thule one key system locks. Basically I want to show you how… see more >