"Ask and ye shall receive"...
Here is a picture of the stand with the saddle top

Here is the same stand with the flat top, a bottle mounted on top with a 4" "spacer". (The observant among you will be quick to recognize the spacer as a 2" pipe nipple 4" long)

Here is a picture of the inner and outer tubes resting on a saddle

And here are the assembled tops, saddle and flat.

How's that for service?
Rick (would you like fries with that?) Dulas