Originally Posted by John Crowley I have never heard of a Rheinisches Zoll (RZ) before. I just thought they were blanks made in the metric system of measurements. Well, you would have to be a very special person to notice the difference: 1 Rheinisches Zoll = 26.0 millimeters 1 inch = 25.4 millimeters Regards, Robin
mrsell63 (03-19-2010)
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