New *For use on exterior doors where keyed entry and security is needed. *Features an adjustable latch to fit all standard door preparations. *Locking mechanism functions with turn piece on the interior of the lock. *ANSI/BHMA grade 3 certified Deadbolt. *Comes with 2 keys. *Easily installs in minutes with just a screwdriver. *Lifetime mechanical and finish warranty. Thanks Text or email.