1/2" thick A36 solid steel plate, recessed 1/2" to increase resistance to pry attack.
U.L. Group II combo lock (C), U.L. Listed dual nose keylock (K).
3-way boltwork with 1" x 1/2" rectangular plated bolts.
Doors are interchangeable among models.
Metal shear point handle.
Auxiliary spring loaded relocking devices.
Lock & relocks protected by large carburized hardplate.