Don't know about cleaning - mild metal polish, eg Brasso?
But to keep clean, you can get lacquer for just that purpose.
A bit like varnish, works well, but can get a bit yellow over time.
You can just polish it off again if you want.

It's available in every supermarket in this part of the world.

Regards,

bookieb

"Richard & Michelle Barnes" wrote in message hlink.net...
Been given some nice older chocks. Should I clean them or just use them in
their present greenish black condition?

Best method of cleaning? How long will they stay "pretty"?

Thanks,
Richard