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conduitjig3

A 1/2" strut in the 3/4" conduit drilling jig with shims

Here is a view of the strut in place. The rear shim and the large shim near the drill bit raise the round portion of the strut up so that the flat portions are at the right height for drilling.

All information herein copyright 2007 by Howard Cohen
hoco@timefold.com