Hello pugugly ref your c5 problem.

Three ways you can get these ot.

1. spot weld a bolt to damaged wheel nut and simply undo, Welders easy to find anywhere, this is the easiest way and v. quick

2. Try a blow lamp on bolt until v hot and try adaptor again. You can heat the hub by excessive breaking for 10 minutes on a clear road.

3. drill a number of small holes until a slot is made then find something that fits the slot exactly; dont replace with these anti theft bolts again but used a standard bolt, they were only ever meant as fishing weights. I have had the same trouble. Another way is to heat the bolt, clean it and use araldite or epoxy glue to stick the adaptor to the nut. Obviously remove all the other anti theft bolts first in case the adaptor is useless after this. Replace all with proper citroen blots afterwards; never tighten a bolt on a hub unless you have applied copper grease first.

Have fun PG

No idea what this is about but DO NOT do what is suggested above. Heat will at the very least damage the paint/laquer and if the alloy gets too hot the wheel will be permamantly damaged.

If you need to get the locking nuts off simply go to a garage, most have tools to do the job.

When we bought a Focus they told us that should we ever loose the tool not to panic, they would replace all the nuts and supply a new tool for less than others sell a replacement tool for.

If your car originally had locking wheel nots and you remove them you need to tell the insurers since you are removing standard security kit.