As the industry leader, Kwikset has provided trusted security for over 60-years and has become synonymous with security, peace of mind, style and innovation. A clean, streamlined design on the Delta fits a wide range of decorating styles: from traditional and ranch to contemporary. This privacy knob/lever is best used in interior bed and bath applications where privacy is required. Both knobs/levers are locked or unlocked by turn piece inside. The outside knob/lever can be unlocked by an emergency key. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel.. Lifetime mechanical and finish warranty. Easily installs in minutes with just a screwdriver. Microban protection keeps door hardware 99.9% cleaner than unprotected surfaces. ANSI/BHMA grade 3 certified. For use on interior doors where a privacy locking function is required, such as a bedroom or bathroom. Locking mechanism functions with turn piece on the interior of the lock. <a href="https://www.homedepot.com/c/ah/how-to-remove-a-door-knob/9ba683603be9fa5395fab903dbe725f" target="_blank" style="color:#F96302;">How To Remove A Door Knob</a>