FYI, 2B robust, the (glass) walls should be thicker than 1mm around the (critical)
8mm ID. 2mm is good.
So, (2 + ( 8 ) + 2) for a total of 12mm for the outer diameter.
Otherwise, you are going to have to
MacGyver
it. G/L!
Yes I learned the hard way that 8mm ID and 10mm glass won't work; for long.
But that's not the case with the BB9 that arrived a day early yesterday and made my Sunday a tad more eventful. Glass and the vapcap really are made for each other, and configured like this I expect this piece to have a long happy life.
And what a lovely piece of kit the BB9 is. They took all the great ideas of the past 18 months: water wand, indents, cooling beads, and combined them into one very cool glass piece.
The 10-14mm joint seats well in all of my water pieces or j hooks, so no harm no foul. The carb works well to clear my water piece like the old days of combustion.
And it's definitely my best stem for water work, and that's saying a lot given how many DV water tools I do have.
Kudos
@VapCap Job well done.
This piece will stay at home mostly, so having something to carry it in isn't a big deal to me. But I'm sure some intrepid 3rd party accessory provider is already hot on that trail.