Tectus Concealed Invisible Hinge has been designed to work for both 340-3D and 540-3D hinges on doors and jambs with only using one template. This allows you to do mortise cuts on both interior and exterior jambs and doors. This unique template provides both length and width sizes by simply adjusting the guides according to the cut has to be accomplished. It is a precision instrument that saves time, eliminates costly errors and provides a professional quality job. This template works on 1⅜”, 1¾" and 2¼" thick doors.

 This unique template is made of 3/4″ Russian Baltic Birch Plywood 13 ply.

 6/32 machine screws on the hinge guides are held by a metal insert into the wood base.

 Use template guide 17/32 I.D by 5/8 and ½ router bit.

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