Kwikset Deadbolt - KS-660

The largest-selling deadbolt in America, the 660 series deadbolt provides tough, effective protection at an affordable price.

• Key retracts bolt from exterior, turnpiece operators bolt from interior.
• Adjustable 2 3/8" - 2 3/4" backset
• Radius corner metal deadbolt, and radius corner full-lip deadbolt strike.
• For doors 1-3/8" to 1-3/4" thick.
• 1" Bolt.