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Hi, Mike:
According to Frank de Haas, a large ring measures 1.410" and a small ring measures 1.300". Apparently some of them are J bores, marked 7.91 instead of 7.92. There's a bit on that here:
http://www.loadyourown.com/ubb/Forum6/HTML/000115.html
Bye
Jack
According to Frank de Haas, a large ring measures 1.410" and a small ring measures 1.300". Apparently some of them are J bores, marked 7.91 instead of 7.92. There's a bit on that here:
http://www.loadyourown.com/ubb/Forum6/HTML/000115.html
Bye
Jack