Vintage door knob jig - photo

[Altair]

Vintage door knob jig.




Previously:

Adjustable door stopper - GIF
Door lock mortiser - GIF
Multi-directional door handle - GIF
Marking door strike plate location - GIF
Sanding a sagging door - GIF

[malburrworks]

How does this work? Not sure what I'm looking at here.

[desbromilow]

the two "holes" form guides for the outside of a drill powered holesaw - the one in the panel face of the door is for the knobset, the one in the edge is for the striker mechanism.