Where to find negative carriers?

[palabras]

I need carriers for 35mm and 6x6 (I have used hard paper up to now) for an m800 durst.
Where can I find them? Do you know any specialized online shop?

Thanks!

 

[rogueish]

These guys are in Canada:
http://www.khbphotografix.com/
I found them very helpfull and knowledgeable.

 

[palabras]

thank you very much! I'll take a look...