Safe Lock by Weiser was designed with one thought in mind, providing you with quality, dependability and security. A favored mix of styles and finishes ensure that you provide the look and feel that families want. The ideal starter home package designed to leave a lasting impression.For use on exterior doors where keyed entry and security is neededFeatures an adjustable latch to fit all standard door preparationsLocking mechanism functions with turn piece on the interior of the lockEasily installs in minutes with just a screwdriver