Dennis,

That is exactly what I have on my heater hose. Didn't know what to call
it. This solves the mystery for me.

Thanks for posting this info.

John

On 6/9/2012 8:01 AM, Dennis Haynes wrote:
> As for the clamps they are actually common Roto-Clip.
> http://www.rotorclip.com/cat_pdfs/ctb.pdf
>
> The sizes you need are available McMaster Carr.
> http://www.mcmaster.com/#standard-hose-clamps/=hwh1s4
>
> For what they cost I like to replace them. They do stretch out and loose
> tension. On the outside they can also rust.
>
> Dennis