SEGAL Slamlock, 4-5/8", Bronze, Brushed Brass, Single Cyl.
Slamlock housing constructed of solid high strength bronze alloy; jimmy-proof design locks automatically when door is closed, but can be set to inactive. Surface mounted; cross bolt locking feature resists forced entry and mounts to wood or metal doors and frames. Internal components made of high strength carbon steel. This original Segal brand product includes a flat strike and a tamper-resistant shutter guard.