Irwin 3111002 Door Lock Intallation Kit

The Irwin wood and metal door lock installation kit uses durable carbon hole saws to cut openings in interior and exterior wooden doors for installing lock and handle sets in four-easy steps. With a self-centering jig adjustable for 2-3/4 in and 2-3/8 in backsets that fits all common door widths, it makes precisely installing a door handles and locksets in any blank door fast and simple.