Work holding in lathe / mill

[dobbslc]

Some help needed here! It's my first attempt at milling steel.....
I have a lathe / mill combi machine that I'm trying to mill on but can't get the work high enough.
I've put it in a chuck in the tail stock and it works but I can't easily measure it so I can take off an equal amount each side, it's a piece of 22mm bar I'm making into a mounting lug.
The problem is the table is a long way below the travel on the mills quill and collet holder.
I think I need a "machinist's block" about 5" tall???
I also need something to hold the bar or tube in that I can bolt to the block.
Hope this is making sense.
I'll get a picture of what I'm trying to make and the machine later.
Help!

 

[dobbslc]

Here's what I'm making.

And this is what I'm using....

That's the quill fully down, obviously the further it extends the more flex it'll have.
It's not visible in the photo but the end of the lug is tapered where I couldn't accurately set it to machine both sides.
This finish wasn't bad though.