Okay a fellow bench man and I have sparked a debate on the
measurement of jump rings. I was taught the you measure against the
constant which would be the “inside” diameter. My friend learned the
opposite. Break out the good ole’ 3.5mm mandrel and no matter the
gauge the inside remains fairly close consistently.
I will end here because it wouldn’t be fair that he can’t present his
Thanks in advance just a bit o’ fun