New NightWatch Extra Nighttime Security. The Master Lock NightWatch deadbolt is the ONLY deadbolt that prevents an intruder from entering your home, even if they have your key.
Single cylinder deadbolt supplied in satin nickel finish with Nightwatch feature. Features: Four way adjustable backset: 2-3/8" or 2-3/4" backset, square, rounded corners. Antibacterial Silver Bonded Finish, Ansi Grade 3 performance, for keyed locking applications (Single Cylinder Deadbolt Function, Key Outside, T-Turn Inside). Each lock supplied keyed different/random with 2 keys.