The Bauer BD648 is an uncut key blank for the 300 Series RV locks. This key is specifically designed for use by locksmiths and key cutting professionals. It is made from high-quality materials to ensure durability and reliability. This key blank is easy to cut and customize to fit your specific RV lock. With the Bauer BD648, you can quickly and easily create a new key for your RV, ensuring your security and peace of mind.