SmartKey Security Re-Key KitAs the industry leader, Kwikset has provided trusted security for over 60 years and has become synonymous with security, peace of mind, style and innovation. SmartKey Security Re key Technology allows you to control who has access to your home. Re key the lock yourself in seconds in 3 easy steps. Have you recently moved or had a child lose a key. It's time to re key. SmartKey Security provides the highest level of residential security and features