Bi-Metal Door Lock Installation Kit For Metal & Wood Doors, Completes Installation In 3 Easy Steps, Kit Includes: 2 Bi-Metal Hole Saws With Arbors, A 2 Sided Self Centering Jig That Will Accommodate Both 2-3/8" Backset & 2-3/4" Backset, A Butt Hinge Template, A Router Guide & Router Bit For The Face Plate, 1 Piece Per Card.
The Irwin Metal and Wood Door Lock Installation Kit includes a double-sided jig, two bi-metal hole saws, a 3/8-inch mandrel, a bolt plate template, custom router bit, hinge plate template, and nylon bag to store all the parts. It fits all interior and exterior doors and lets you install locks in three simple steps. The self-centering jig fits common door widths and can be adjusted to fit 2-3/8 inch or 2-3/4 inch backsets.

Irwin Industrial Tools 3111002 Door Lock Installation Kit Bi-Metal . Door lock installation kits used for installation of door locks on metal or wood doors