Heavy-duty, storeroom door lock is designed for locked storage room application and can be operated by lever inside or key in the outside lever. Outside lever is always locked. Inside lever is always unlocked. BumpStop advanced cylinder resists bump attacks. Cylindrical construction delivers enhanced durability. Grade 2 commercial door lock also features ASA strike, 3-1/4" diameter trim, 2-3/4" backset with UL latch, six-pin Schlage C compatible cylinder standard, and satin chrome finish. Lock meets ANSI/BHMA A156.2, Grade 2 Standards.