The HIT-45BE7 is used to prep doors for Best Lock Companies 30H and 40H Series mortise lock with M/N style trim. All hole locations are piloted with hardened drill bushings. Larger holes required for cylinders or spindles are located and drilled first with a 1/4" diameter hole, this serves as a pilot hole for the correct size hole saw. All hole locations on the template are identified for use. Requires HIT-45 Clamp with HIT-45ML1 Locator.