Mortise lock template tool used to prep doors to accept Corbin/Russwin ML2000 and ML2200 Series lock. All hole locations are lined with hardened drill bushings. Larger holes required for cylinders or spindles are first located and drilled with a 1/4" diameter hole. This hole serves as a pilot for the correct size hole saw. All hole locations on the template are identified for use. Requires HIT-45 Clamp with HIT-45-ML1 Locator.