Locks
out unauthorized keys, cleaning services, repairman, lost or stolen keys
Single
cylinder deadbolt installs like a standard deadbolt with just a phillips
screwdriver
When
the Nightwatch feature is engaged, the lock cannot be opened from the outside,
even with a duplicate key
This
lock can only be engaged or disengaged from inside the house
Features Master Lock's exclusive Bump Stop
advanced cylinder technology, virtually bump proof and pick proof