Quote Originally Posted by Paul Jones View Post
Marv,

Thank you for introducing me to expanding transfer punches. I like your idea for the larger diameters. Thank you for the posting.

Regards, Paul
Yes, they're very handy and, of course, solve the problem of transferring metric sized holes; I've never found a set of metric transfer punches.

They're still sold but, to my amazement, are far more expensive than I remember paying...

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I remember paying about $30 many years ago.