It's a standard Mk II car player handle before painting. There were only a couple around, and I managed to nick them. In fact all my car-players have raw aluminium handles, I think they look better that way, as shown in the following picture.

http://www.riocar.org/modules.php?set_albumName=album49&id=aaf&op=modload&name=gallery&file=index&include=view_photo.php > http://www.riocar.org/modules.php?set_albumName=album49&id=aaf&op=modload&name=gallery&file=index&include=view_photo.php