This forum is becoming like a social networking site!!
Rog mate, can you drop me a line?? Would be great if you could mke up these shims. I have dimensions now.

a[dot]duncan[at]ich[dot]ucl[dot]ac[dot]uk
And if you'd rather chat, put your phone no in the message and I'll give you a call?
cheers for now, catch you soon
a