EH Tube Boxes

[Hailstorm350]

Would those things be good for putting like 2 McTubes in or something?  Has anyone built anything into these things, they look perfect for something like a tube overdrive.

[puretube]

http://diystompboxes.com/sboxforum/viewtopic.php?t=22798&postdays=0&postorder=asc&start=0
http://diystompboxes.com/sboxforum/viewtopic.php?t=23209&postdays=0&postorder=asc&highlight=tube+chassis&start=0