This product represents an advancement in locating concealed hinge mounting plates of all brands, by being able to locate for hinges of different cup sizes. The two polycarbonate locating templates mounted to the aluminum rails are provided with a V notch to match the location of the hinges on the door, by referencing of the hinge arm. This produces perfect results every time. The Euro-Jig works for overlay and inset positioning and can locate mounting plates for doors up to 50” (1250mm) tall. Designed to be used with the Euro-Bit self centering drilling tool.