Kwikset 660 Deadbolt - Keyed One Side - featuring SmartKey, Polished Brass

For use on exterior doors where keyed entry and security is needed Featuring SmartKey Security, which protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds. SmartKey Security re-key technology is compatible with Kwikset (KW1) keyway Deadbolt operated by key outside and thumb turn inside, comes with 2 keys Latch has 2 interchangeable faceplates, round corner and square corner ANSI/BHMA grade 3 certified Latch has adjustable backset 2-3/8" to 2-3/4" to fit all standard door preparations Latch has adjustable backset 2-3/8" to 2-3/4" to fit all standard door preparations; 1" deadbolt throw Easily installs in minutes with just a screwdriver Lifetime mechanical and finish warranty