Kwikset 664 series deadbolt conversion kit.
The Kwikset 664 retrofit kit is designed for converting 663 one-sided deadbolt to 667 one side deadbolt with exterior blank plate when door is bored through.
This item is discontinued and is limited to existing inventory.
The retrofit kit includes exterior blank plate and screws.
663 one-sided deadbolt is ideal for securing a deck, patio door, front or back door where you don't need to unlock from outside.
Highlights: A warm gold brass finish that has a beautiful reflective quality, coupled with a 5-year finish warranty.
Door Preparation (Cross Bore: 2-1/8 inch or 1-1/2 inch.)
Lifetime mechanical warranty
Priced and sold each.