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.

Carbon hole saws for wood doors, fits all interior and exterior doors, self-centering jig fits all common door widths, adjustable for both 2-3/8 in and 2-3/4 in backsets. Includes double sided jig, two carbon hole saws, 3/8 in mandrel, bolt plate template, custom router bit and hinge plate template.

Allows accurate installation in wood or metal doors with the two most common sizes for accurate installation. Attached pass through shank arbor, variable pitch positive rake teeth reduce vibration and clear chips, M3 cutting edge is longer lasting and teeth are shock resistant. Includes one each 1 in, 2-1/8 in high-speed steel hole saws and 4-5/16 in pilot drill.

Compact injection molded hole saw kit box with carrying handle. Three trade specific configurations contain the most commonly used sizes. Utilizes C-clamp design with tool-free clamping and no surface damage, compatibility for the two most common backsets and door thicknesses. Includes 1 in, 2-1/8 in, mandrel, adapter, drill guide, replacement parts (including two additional pilot point centering bits), two adjustable bushings which accept both standard backsets and both common door thicknesses and new quick change mandrels (DW1803 and DW1810) for increased user productivity.