The S31, N1007RMA Sargent Key is a high-quality, uncut key blank that is compatible with a range of lock brands and models. This versatile key blank is commonly used by locksmiths and key cutting professionals for a variety of applications. It can be easily cut and customized to fit a specific lock, providing a convenient and cost-effective solution for a variety of key replacement and duplication needs. The S31, N1007RMA Sargent Key is also compatible with several cross reference key blank manufacturers, including Cole, Curtis, ESP, Ilco, Ilco EZ, Jet, JMA, Original, and Taylor.