The BAU3, 1676 Bauer Key is an uncut key blank that is compatible with a variety of lock brands. This key blank is a versatile tool for locksmiths and key cutting professionals. It is a high-quality key blank that can be easily customized to fit your specific needs. With its cross reference capabilities, you can easily find the right key blank for your lock. This key blank is an essential tool for any locksmith or key cutting professional.