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    Kwikset 158 and 159 Square

    Deadbolt Functions:


    Single Cylinder (158) - is operated with a key from the exterior and a thumbturn from the interior.
                                              (Sngl. Cyl.- SMT) - Smart Key Cylinder with Bumpguard.

    Double Cylinder (159) - is operated with a key from both the exterior and interior.
                                              (Dbl. Cyl. - SMT) - Smart Key Cylinder with Bumpguard.


    Select preferred finish (4 finishes available) and function (2 functions available) to view detailed product information.

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