Adrian wrote:
On Tue, 03 Mar 2015 17:07:47 +0000, mark wrote:

Like most on here I've got lots of spanners.
Sticking with metric sizes, I've noticed that the majority of my spanner
work is with 10mm and 13mm sizes which corresponds to M6/M8.

So what are the other ones for in spanner sets, ie., 9mm, 11mm, 12mm,
14mm and so on. Are they just there to make the numbers up or make it
harder to find the one you want?

Not everything uses those few "preferred" hex-head sizes. I use 11mm - M7
- a lot on old Citroens, and they crop up in other places, too. 14mm gets
a lot of use. 8mm is preferred M5, but 9mm does crop up occasionally.

Mind you, since buying an old Land-Rover, I've been pleasantly surprised
at how many Dibnah sockets and spanners I've accumulated over the years.
Gawd knows where from, but I'm not complaining.

You can still buy those in the US.