Lock jig
The jig requires a router fitted with a 30 mm guide bush and 12 mm diameter long reach cutter for most common sash mortice and dead locks with up to 3in deep mortices and a 78in or 1in face plate deeper mortices can be achieved with a suitable size of auger bit also suits face plate on a 1in mortice latch note use on doors 34 mm to 58 mm thick
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