Kwikset 258 Uptown Low Profile Round Contemporary Deadbolt featuring SmartKey in Iron Black Designer Style and superior security with this Kwikset signature Series product For use on exterior doors where keyed entry and security is needed Featuring smart key re-key technology; re-key the lock yourself in seconds in 3 easy steps Deadbolt operated by key outside and thumb turn inside 6-Way adjustable latch, including round and square faceplates and drive in collar