Kwikset 660 Deadbolt With SmartKey, Matte Black

Round corner adjustable latch (RCAL) with round corner strike (RCS) and interchangeable for 2-3/8 In. or 2-3/4 In. backsets to fit all standard door preparations. SmartKey Security protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds. Key retracts bolt from exterior, turn piece operates bolt from interior.