Bought a set of McGard Lock Nuts a while back, the seller told me they're
from a BMW, but they came in Rover/MG packaging.
So, they'll fit Rover/MG, and as far as I know, they'll fit Renault cars.
Retail on them is around €45 iirc.
As above the sizes are 12mm x 1.5 x 28mm with 60 Degree...