On Thu, 22 Oct 2015 19:23:25 -0600, rbowman
wrote:

On 10/22/2015 05:25 PM, Stormin Mormon wrote:
I was able to get a couple 10 mm sockets, and put
in with my English sets. Got tired of looking around
to find one in another tool box.

That would be you SAE sets. The British Whitworth fasteners are another
perversion.

Watch it, you will have people talking about BA soon.
I know a 2 BA is ~5/16 but that is about it.