Kwikset San Clemente Smart Key Security Square Deadbolt Handleset, Satin NickelKwikset's SmartKey Security Square Deadbolt protects against common advanced break in techniques. This deadbolt features re key technology, which allows you to re key your locks yourself in seconds, because the person who has your key today may not be the same person you want to have your key tomorrow. Kwikset's SmartKey Security System is designed to protect against common types of break ins to keep your family safe. SmartKey Security is kick in