Kwikset'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 resistant, bump proof, pick resistant, drill resistant, and saw resistant. Kwikset SmartKey Security Deadbolt also allows you to re-key the lock yourself in seconds, leaving lost or unreturned keys obsolete. Kwikset's SmartKey Security gives you one-key convenience. Now you can re-key your locks yourself so all your doors and padlocks share one key. COLOR: Satin Nickel. DIMENSIONS: 5.5x8x21.8 Inches.