On Mar 31, 1:53*pm, RicodJour wrote:

It sounds like blocking for bicycle-frame scaffolding. *That's what
I've heard them called, but I'm not sure of the correct term. *Here's
an example:
http://www.northerntool.com/shop/too...3823_200323823

I just read the description from that link - what jamokes! They're
made out of steel, not aluminum.

R