The Hinge Jig is a portable template set designed for recessing hinges in wooden doors & frames. 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. Four apertures for fire door requirements. 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 router with 1/4 inch collet.Long reach router cutter required, 12mm diameter with 70mm overall length.Angled position slots to prevent creep.Unibase may be needed.Patent No. GB2285410.T4EK router requires a ref. UNIBASE or special guide bush ref. GB/T4/160. Hinge sizes possible Length min.=2 5/8 (67 mm) Length max.=5 (127 mm) Width min.=3/8 (9.5 mm) Width max.=1 3/8 (35 mm) Door sizes possible Height min.=6 5 (1955 mm) Height max.=6 10 (2100 mm) Thickness min.=5/8 (16 mm). Includes 4 x Apertures|2 x Bradawls with spacer|1 x 16mm guide bush|1 x T-Handle hex key|1 x 4mm spacing gauge|1 x Plastic storage tube.