The uncut AP5, 105AM Chicago Key Blank is a cross reference key blank that is compatible with several different manufacturers, including Cole, Curtis, ESP, Ilco, Ilco EZ, Jet, JMA, and Original. This key blank is ideal for locksmiths and key cutting professionals who need a versatile and reliable blank for creating keys for a variety of applications. With its high-quality construction and compatibility with multiple manufacturers, this key blank is an essential tool for any professional locksmith.