Kwikset - 660 - Residential Deadbolt - Single Cylinder - Matte Black - Grade 3

As the industry leader, Kwikset has provided trusted security for over 60 years and has become synonymous with security, peace of mind, style, and innovation. The largest-selling deadbolt in America, the 600 series provides tough, effective protection at an affordable price. This single-cylinder deadbolt can be locked or unlocked by a key on the outside or the turn button on the inside.

Features:

• For use on exterior doors where keyed entry and security is needed
• Deadbolt operated by key outside and thumb turn inside
• Comes with 2 keys
• Deadbolt Latch has 2 interchangeable faceplates - round corner and square corner
• ANSI/BHMA grade 3 certified
• Bolt has adjustable backset 2-3/8" to 2-3/4" to fit all standard door preparations
• Includes round deadbolt strike
• 1-inch deadbolt throw
• The locking mechanism functions with a turn piece on the interior of the lock
• Easily installs in minutes with just a screwdriver
• Lifetime mechanical and finish warranty