This Design House Single Cylinder Deadbolt Thick Door Extension Kit is a must have for those doors from 1 7/8 in. up to 2 1/4 in. thick. Typical locksets are designed to fit doors up to 1 3/4 in. thickness, this extension kit allows you to work around that issue and install your deadbolt to have it then function perfectly. Kit is compactable with all Design House single cylinder deadbolt models.
- Color match with Design House single cylinder deadbolt models 740423 and 783589 in satin nickel finish
- Kit includes 2 extension screws
- Compatible with doors 1-7/8 - 2-1/4 in. thick
- Simple and easy installation
- Limited lifetime warranty