Where to get the nozzle parts only?

Guys, I need a new nozzle;,… fully stuck filament… where to get the nozzle parts only ?

Regards,

I got my Vertex at Okaphone in Groningen, a Velleman distributor - on their website, they offer the nozzle as a seperate spare part:
http://www.okaphone.com/artikel.asp?id=480321

Hope this helps?