I have a dead simple part, a tube with 2 countersunk holes on the centreline of one 'face'.

I cannot add a hole callout to it, SW requests I select an edge, which of course I am trying to do.

SURELY Solidworks can do this????

SW2010 SP4.0 64 bit on WIndows 7 x64.

Here is the extremely complex part:

Also, I just tried a simple smart dimension which gives me the error:

I must be missing something basic here surely?