Hi "B".

Thanks a lot.. I think you mean the one used in electrical and electronic applications? Yes?

Mmm it sounds promising.. Could you please tell me what is the average diameter of the one you used? (mm?) So I can get the same?

I'll visit today my local Radio Shack to see what they have available.

By the way, I was thinking about the same idea but the closest I have seen is the hose used in vacuum cleaners which has a stiff plastic reinforcement component.

With a knife you can cut it following the spiral using only the reinforcement par and discarding the rest and it would be perfect. Unfortunately I have not been able to find in my local Home Depot (my main source for materials) that kind of hose. But I'll try the one you just have suggested.

Thanks.

AlMir