No wonder so many are confused with all the different needles. I have download https://ismacs.net/needle_and_shank/...ence-chart.xls from this page https://ismacs.net/needle_and_shank/...ce-charts.html
According to that spread sheet there are slight differences
Scarf Shank diameter mm Length to top of eye mm "Length to point mm" Boye Singer
Y 2.02 33.9 38.2 16 15x1
N 2.02 34.7 38.8 6 15x1

Evidently the Boye 6 doesn't have a scarf.
Sorry about the above but I've edited the table, but it doesn't want to show it as a table, so I did the colors to match what column they belong to.
and the "Needle List" is at https://ismacs.net/needle_and_shank/...eedle-list.pdf
that can be gotten from this page https://ismacs.net/needle_and_shank/...edle-list.html

Janey - Neat people never make the exciting discoveries I do.
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