Irwin 3111002 Door Lock Intallation Kit

The IRWIN® Wood & 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" and 2-3/8" backsets that fits all common door widths, it makes precisely installing a door handles and locksets in any blank door fast and simple.