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Kwikset 660 and 665

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Deadbolt Functions:


Single Cylinder (660) - is operated with a key from the exterior and a thumbturn from the interior.
                                          (Sngl. Cyl. - SMT) - Smart Key Cylinder with Bumpguard.
                                          (Sngl. Cyl. - P&T) - 5 Pin Traditional Pin and Tumbler Key System.

Double Cylinder (665) - is operated with a key from both the exterior and interior.
                                          (Dbl. Cyl. - SMT) - Smart Key Cylinder with Bumpguard.
                                          (Dbl. Cyl. - P&T) - 5 Pin Traditional Pin and Tumbler Key System.


Select preferred finish (7 finishes available) and function (2 functions available) to view detailed product information.