*not generally recommended*
The largest-selling deadbolt in America, the 660 series
deadbolt provides tough, effective protection at an
affordable price.
Features:
Adjustable latch & deadbolt to fit all standard
door preparations
ANSI/BHMA Grade 3 Security
Add to a keyed knob or lever for additional
security
Lifetime mechanical and finish warranty
SmartKey® Re-key Technology available through
special order