The 300-Series levers feature cylindrical construction and a strong return spring for non-sagging use on a variety of commercial doors. The lever design 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. Latches and cylinders must be ordered separately.