One more thing.   I have a Shopsmith in the bedroom shop.  great machine when set up right.  One thing you can't do is use a zero clearance insert and adjust the blade by regular means.  Had a an old 1993 American woodworker with this fence in it. Made some modifications and its just turns out to be a great thing.  Way more handy than I even thought in the beginning.   Going to  make some for my router tables.