Originally Posted by Dirty

Erm, sorry to tell you this but they are 'el cheapo chinese' mirrors. I suspect someone has simply imported a bunch of them and is selling them with a huge mark up from UK.

It's not all bad though. I have a set of them myself and they are not too bad. Had them just over a year. Only complaint I have is they shift when you go 80+. 1 more than the other in my case and it's a fairly recent issue so you should be ok for a while. Oh and no signs of rust on mine.