The two part Contractor Hinge Jig is a portable fully adjustable block template set designed for recessing hinges in wooden doors & frames using a plunge router. It is easy to use with minimal setting-up time, completing the job both accurately & quickly. Used on-site & in joinery shops to increase productivity with excellent results. Fully adjustable apertures for fire door requirements and renovation work. Can be used on both inside and outside doors, rebated frames and on maximum 25mm thick fixed stops. Ideal for fitting a new door in an old frame. No need for marking out in the conventional way. Quick & simple to set-up as the hinge is used as the pattern. Clean & accurate recesses are achieved every time. Suitable for timber based doors & square butt hinges. Use with a light duty plunge router with 1/4 inch collet. Long reach router cutter required, 12mm diameter with 70mm overall length. Adjustable edge guides with preset for hinge of 20mm, 25mm and 30mm Unibase may