On Mon, 19 Oct 2015, Chris Elmquist wrote:

The photos are of the 10-hole punch.  We also did a 16-hole as Dwight
has mentioned and he as a few of those still available.

Dwight, I double checked the metal and we're both mis-remembering.
It's not aluminum or stainless but just tool steel that Russ polished.
You can stick a magnet to it.   Therefore, probably keep these out of
the humidity or they will rust.

Very timely. I had an occasion to drag out my 10-hole punch yesterday and modify a couple of diskettes for my N*. The first time around I had a lot of tearing that resulted in the dreaded "hanging chads". When I took a close look at the die plate I noticed an irregular raised burr around all the holes. After taking some fine-grit sandpaper to the surface and leveling the holes it started working a lot better.

Maybe this will be helpful to other users.

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