Router template guide designed to be used with the HIT-45 clamp fixture. This template is used to route the 4-1/4" x 15/16" opening for International FB-1200 and Builders Brass 5024 in aluminum doors. Drill bushings in the template are located at 5-1/4" center to center to locate the mounting screws for perfect alignment. Requires the use of a router equipped with a 3/8” outside diameter template guide and a 1/4” down shear router bit.