Kwikset 660 Single Cylinder Deadbolt Keyed One Side - featuring SmartKey Irons One weatherproof cover constructed of

One weatherproof cover constructed of heavy-duty UV-resistant polycarbonate

Snap-In Fitting

auxiliary switches and alarm switches

Gear Drive Transmission Maintains Constant Speed Won't Slow Down During Trimming

Compression weatherstrip with wood stop

Kwikset 660 Single Cylinder Deadbolt Keyed One Side - featuring SmartKey Irons One weatherproof cover constructed ofFunction: Keyed One Side Features 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 or (SC1) keyway options Deadbolt operated by key outside and thumb turn inside Comes with 2 keys Deadbolt Latch has round corner faceplate