For use on exterior doors where keyed entry and security is needed * Featuring SmartKey Re-key Technology. Re-key the lock yourself in seconds in 3 easy steps * Patented side locking bar technology offers improved security by protecting against lock bumping, an attack technique used to defeat conventional pin and tumbler locks * Universal handeling ? Fits both right handed and left handed doors * ANSI/BHMA Grade 3 Security * ANSI/BHMA grade 3 certified * Features an adjustable latch to fit all standard door preparations * Featuring SmartKey® re-key technology; re-key the lock yourself in seconds in 3 easy steps * Includes adjustable backset to fit all standard door preporations