Simplex 3000 (3001) - Combination Entry/Passage/Lockout (cylinder sold separately) (Use your own mortise cylinder, or order one from us at checkout)End the frantic search for keys with this tough-as-nails aluminum glass door combination lock from the leader in top of the line security solutions, dormakaba. dormakaba has been making high quality security products for over 100 years. The Simplex 3000 Series is a highly weather resistant pushbutton lock designed to work with Adams Rite deadlatches, models 4510/4710/4910. Entry is gained with a 1 to 5 digit sequential code followed by a simple rotation of the thumbturn. Vandal resistant, the Simplex locks have found widespread acceptance in high-traffic commercial, institutional, and government buildings.
