• Heavy-duty, keyed door lock is designed for exterior locking applications, such as an entry door • Doors must be 1-3/8 to 1-3/4 thick to accommodate the door lock • BumpStop advanced cylinder resists bump attacks • Cylindrical construction delivers enhanced durability • Grade 2 commercial door lock also features ASA strike, 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