Kwikset has set the standard for home security for over 70 years, synonymous with style, innovation, and peace of mind. The 600 series, America’s top-selling deadbolt, offers robust protection at a budget-friendly price. This single-cylinder deadbolt is easily operated with a key outside and a thumb turn inside, ensuring both security and user convenience. | Kwikset | | SmartKey Security Satin Chrome Metal Single Cylinder Deadbolt | Best Buy