Kwikset 91580 004 deadbolt, Polished Chrome

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. Deadbolt operated by key outside and thumb turn inside Comes with 2 keys Deadbolt Latch has round corner faceplate."Latch has adjustable backset 2-3/8" to 2-3/4" to fit all standard door preparations, Weight: 1.0 pounds, Manufacturer: Kwikset