does anyone know what the white marker pens are called that scrap yards use to write ID numbers etc on the car windows etc?

Thanks

I think they are liquid chalk marker pens..

an american link but at least it shows you what their called..

http://angelinternational.ca/solid.ht

Paint pens I think

Frost do them, Click here

Is this the sort of thing?
http://cgi.ebay.co.uk/Tyre-Tire-Touch-up-pen-marker-Racecar-BriSCA-Kart_W0QQitemZ330226218158QQihZ014QQcategoryZ100921QQssPageNameZWDVWQQrd Z1QQcmdZViewItem

I buy paint markers for my job write on anything

only get liquid chalk ones if you want it to come off again!!

only get liquid chalk ones if you want it to come off again!!

Paint pen. Get mine from our local welding suppliers , will look tomorrow for the name of the company that produces them if I remember .

Google Edding 750 , should find what you want .