DoN. Nichols wrote:
...
O.K. That kind you just hit with a hammer (wear safety glasses,
of course), and use a wooden block under it. Pine 2x4 would probably do
well for a few parts.

Tip: use the end grain of the wood - the punch penetrates much more
easily. Not that the punch has to penetrate very far, but enough to get
through the leather/rubber/felt/whatever.

Bob

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Nota for President