Kwikset 660 Deadbolt Lock, Matte Black Round Exterior Keyed Front Entry Door, Pick Resistant SmartKey Rekey Security, Single Cylinder Dead Bolt

KEYED DEADBOLT: Use on doors requiring a high level of security, turn piece interior locking, exterior locking using a key. Recommended for exterior-facing doors SMARTKEY SECURITY: Kwikset’s SmartKey Security technology protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds EASY INSTALL: Do it yourself, installs in minutes with just a screwdriver, if door is missing a bottom handleset support hole you will need a drill, directions provided FITS STANDARD DOORS: Fits standard size doors 1-3/8" to 1-3/4" thick, latch backset adjusts to either 2-3/8" or 2-3/4" by sliding the adjustment pin during installation ADJUSTABLE LATCH: With just a twist during installation, the latch backset can be adjusted to either 2-3/8" or 2-3/4" in order to fit all standard door preparations TRADITIONAL DESIGN: Available in a classic, traditional door hardware style with simple, unique details to match your home décor CERTIFIED TRUSTED QUALITY: Security, Durability and Finish are Grade 3 BHMA certified, designed for reliable protection, providing peace of mind at home WARRANTY PROTECTION: Our products are backed by a lifetime mechanical and finish warranty with great customer service, see Kwikset warranty for more details