Kwikset Matte Black Single Cylinder Deadbolt 2-3/4 in.

As the industry leader, Kwikset has provided trusted security for over 70 years and has become synonymous with security, peace of mind, style and innovation. The largest-selling deadbolt in America, the 660 series provides tough, effective protection at an affordable price. This single cylinder deadbolt is operated by a key on the outside or a thumb turn on the inside. The rich tones of Matte Black add the finishing touch to this product. The Matte Black finish provides a rich and warm complement to the product’s style.

• • 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
• • Deadbolt operated by key outside and thumb turn inside
• • 1 inch deadbolt throw
• • Locking mechanism functions with turn piece on the interior of the lock