Dazza
You gotta remember that our South African friends dont always speak the same English as we do, but they do a much better job of it than we could do of any other language i could name, so we sometimes need to fill in the gaps. Many of our overseas friends can speak two languages, even if one is not quite perfect, & i wish i could do that.

It would seem that Reeves is refering to the steering "wheel." I believe that he wants to know what steering wheels from other cars will fit & work on Datsun 1200's.

Sadly, i am of no help here, but sports steering wheels should be available in sizes that are close to the original size, even if it is necessary to order one in. My 1000 sports option wheel is anout one inch smaller than stock & i find it a good size to use.
Good luck.