CCF-KIRBY MITER FENCE HOLDER DETAIL.pdf
The above PDF can be downloaded and has the measurements for the holder parts - its rather simple,
Really takes a top plate, a block and a compound T-slot strip, plus you need a 5/16-18 x 3" bolt and a 5/16-18 female threaded knob the latter two can be bought most hardware stores.
I'm pretty...

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