Kwikset 660-S 660 Series Deadbolt Single Cylinder Deadbolt with Smartkey - Satin Nickel

Keyed Entry (Single Cylinder) Function: This single cylinder deadbolt is keyed on the exterior with an associated thumb turn on the inside that can quickly and easily lock or unlock the latch mechanism. Single cylinder locks are most commonly used to secure entrances to a residence or place of business. Product Features: Fully adjustable latch to fit all standard door preparations (2-3/8" to 2-3/4" Backsets) ANSI/BHMA Grade 3 Security Patented side locking bar technology offers improved security by protecting against lock bumping, an attack technique used to defeat conventional pin & tumbler locks Two keys will be per lock. Three or more items keyed alike will ship a total of 6 keys SmartKey®: This technology allows you to re-key your lock in seconds with 3 simple steps and features stainless steel racks, pins, and side locking bar for increased strength and security. Specifications: Backset: Adjustable for 2-3/8" or 2-3/4" Crossbore: 2-1/8" Edge Bore: 1" Latch Face: 1" x 2-1/4" Door Thickness: 1-3/8" to 1-3/4" Cylinder: 5-pin SmartKey cylinder, cannot be keyed alike to a 6 pin cylinder Bolt: 1" throw Additional Functions: 660-S (This Model): Single Cylinder Deadbolt 665-S: Double Cylinder Deadbolt