Polarised wheel bolts

[-KarL-]

They just help protect the alloys not the bolts? I've got a set and its just a plastic sleeve over a socket nothing inside to stop you scratching the bolts.
I got mine back in 2011 so they might of improved the coating.

 

[jaysmith]

Had myne 4 years not rusted yet and the car is outside

And I live by the seaside lol