Welcome :). Try a trye fitting place they may have a set of keys. Or look on evil-bay there are places who will match it for you from a photo. J

The cover to the one with the lock nut on should have a dimple in the middle, and be the only one that is removable! It is faintly possible that, once given all the security info they ask for, a LR dealer may be able to tell you which adaptor...

Ther is a company on fleebay that will for a fee send you the picks off the different lock nuts with the code number for you to match up you just have to remember your looking at a reverse image.

Thanks for your replies and brute force will the way to go. Less keen to get ripped-off by the local LR dealer.

Help, I bought my Defender TD5 in spring and I did not realise it came with wheel locks. The covers looks identical to normal nuts It didn't come with a locking wheel nut key so now I am stuck. I have tried to contact the previous owner but no...