The 5000-Series cylindrical lever locks are designed for high traffic applications. They are tested to last more than 4 million cycles. These heavy duty locks come with a popular flat rose design and a lever that is compliant with ADA and other accessibility codes. Compatible with many retrofit cylinders such as LSDA C500, Ilco, GMS and most High-Security brands including Medeco, Assa, Schlage Primus, Kaba Peaks, etc.