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Jon Danniken[_4_] Jon Danniken[_4_] is offline
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Default Why do they skip sizes of metric combo wrenches?

wrote:

In a european or american (ISO/ANSI) set, a 12mm might also be
missing, as it is only used in JIS standard.


My jap bikes made proficient use of the 12mm socket. Same with 10mm and
14mm.

Can't recall the last time I've used it, though (haven't had a bike in a few
decades). A lot of the chinese stuff I have uses 13mm though.

Jon