[Speedskater]

I just saw this link on a Ham radio page. They might be useful in some audio projects.

KF7P Metal Works

"coax ground bus and shack ground bar"
'custom tower and grounding accessories for amateur radio' 

http://www.kf7p.com/KF7P/CoaxBus.html

********************
also some interesting boxes.

http://www.kf7p.com/KF7P/EntrancePanels.html

***********************
ground straps

http://www.kf7p.com/KF7P/CopperStrap.html