Light-duty commercial keyed storeroom knob. Performance complies with ANSI A156.5 (American National Standards Institute), Series 4000, Grade 2 auxiliary lock and ANSI A156.5, 2001 Series 4000, Grade 2. UL (Underwriters' Laboratories) rated. 3 hour fire door. 6-pin solid brass cylinder, keyed 5-pin, C-keyway. 2 nickel silver cut keys per lock, 5-pin, C-section. Adjustable backset. Strike: 1-1/8" x 2-3/4" square corner T-Strike. Door frame strike reinforcer with 3" screws. Outside knob always locked. Entrance by key only. Inside knob always unlocked.
