Hmmm....Rivet set. that would explain all the denting on the flat faces.
The 90 degree opposed holes are, guesstimating here, 1/2 inch and 3/4 inch
in diameter.

On Tue, Feb 12, 2019 at 10:42 AM John Ruth  wrote:

> Michael,
>
> I think it’s a Rivet Set, a bit different than the commonly-seen type, but
> for the same purpose.
>
> This may be for the type of brass or copper rivets which are used with
> conical washers known as “roves.”
>
> I’m not 100% positive on this ID.
>
> John Ruth
>
> Sent from my iPhone
>
> > On Feb 12, 2019, at 1:15 PM, Michael Suwczinsky 
> wrote:
> >
> > https://www.flickr.com/photos/10735775@N.../33199270118/
> >
> > About 4 inches long, the block on the end has two different sized holes
> at
> > 90 degrees to each other, and both the narrow end and the wide end shows
> > signs of impacts, though that could just be ratting around in the tool
> > drawer where I found it.
> >
> > Any ideas?  I'm guessing a bit for a metal lathe?
> >
> >
> > --
> > Michael
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-- 
Michael