Door Hinge And Latch Jig 44mm-45mm Fire Door 102mm Hinges (4inch Hinge)
The hinge section (102mm) can be used on doors ranging from 35mm-45mm thick. Mark the centre line of your latch using the v groove at the top of jig. Can be used with any type of handle that has a latch backset of either 45mm or 57mm.