The 800-Series locks are designed for use in a variety of commercial applications. Equipped with a UL listed latchbolt, these locks can be used on 3-hour fire doors. Built with independent return springs in each lever and with an optional clutch feature to protect against excessive torque, these levers resist sagging. The L-shaped lever design with less than 1/2" gap between the handle and the door meets most 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.