Campag or Fulcrum rear wheel aluminium axle part needed

[hedgesteeper]

I need a rear hub axle locking nut (left hand thread) for a Campag or Fulcrum rear wheel 17mm aluminium axle nut. It's the nut that retains the cassette onto the hub. Can anyone help?.

 

[jim haseltine]

This one?

 

[hedgesteeper]

Re:

Here is a picture of the locknut required.