Deadbolt Functions:
 Single Cylinder (780) - 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) - 6 Pin Traditional Pin and Tumbler Key System. 
 Double Cylinder (785) - is operated with a key from both the exterior and interior. 
                                          (Dbl. Cyl. - SMT) - Smart Key Cylinder with Bumpguard. 
                                          (Dbl. Cyl. - P&T) - 6 Pin Traditional Pin and Tumbler Key System. 
 Select preferred finish (7 finishes available)  and function (2 functions available) to view detailed product information.