Kwikset Casey Square Keyed Entry Lever Doorknob with Smartkey Satin Nickel

For use on exterior doors where keyed entry and security is needed Featuring SmartKey Security, which protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds. SmartKey Security re-key technology is compatible with Kwikset (KW1) keyway or (SC1) keyway options Comes with 2 keys Latch has 3 interchangeable faceplates; round corner, square corner, and drive-in collar ANSI/BHMA grade 3 certified Latch has adjustable backset 2-3/8" to 2-3/4" to fit all standard door preparations Locking mechanism functions with turn piece on the interior of the lock Microban Antimicrobial product protection keeps door hardware 99.9% cleaner than unprotected surfaces