Kwikset 980AUD 15 SMT RCAL RCS 980AUD-S Austin Series Single-Cylinder Deadbolt Featuring SmartKey Techn, Satin Nickel 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 Latch includes round corner faceplate ANSI/BHMA grade 1 certified