Single cylinder deadbolt entry.
Dead latch operated by thumb piece outside and knob/lever inside except either when thumb piece is locked by key outside or thumb-turn inside.
Deadbolt operated by key outside and thumb turn inside.
Inside knob/lever simultaneously retracts latch bolt and deadbolt for quick emergency exit. 2 3/8' and 2 3/4' backset radius corner metal latches, radius corner full-lip latch strikes, adjustable 2 3/8' - 2 3/4' backset radius corner deadbolt, and radius corner heavyduty deadlock strike.
For standard 1-3/4' thick doors, 1-7/8' - 2-1/4' thick door option available. NOT designed for 1-3/8' thick doors.