Hello guys, first post here so be nice

Anyway I've got a steel series 7G, which is proberly a terrible keyboard, but I got it really cheep.
I'm looking to replace it which blank black keycaps but I don't know where to shop. I'm from the UK btw, so a uk vendor would be a lot better.
I know it uses Black Cherry switches if thats any use.
Cheers
~z