On Wed, 12 Oct 2005 21:05:57 -0700, woodworker88 wrote:

#472 are a set of transfer punches. Used for aligning given sizes of
holes in different workpieces.

No, it's clearly not a set of transfer punches, or gage pins - if it
were either of these, the pins wouldn't all be the same size.

I think the answer to this one has been given - it's a thing that
you set on top of the magnetic holding plate of a surface grinder.

Thanks,
Rich