The IRWIN Wooden 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. Includes 2 carbon hole saws, 3/8" mandrel, custom router bit, and bolt plate template.
Irwin Industrial Tools 3111001 Door Lock Installation Kit - Carbon. Door lock installation kits used for installation of door locks on metal or wood doors