Cheers, we've tried two suppliers and they've come back with similar replies along the lines of 'sorry, there's 20+ different versions, you'll need to find out the key number' Hoping someone may have the same one and be able to help

Hi all, Looking for some help, I've rung around garages and scoured the world wide web to no avail. The locking wheel nut key from our 98 300tdi Defender has gone walkabouts. We're trying to identify a code that corresponds to the nut below. There are no markings on it, nor the other one. It...