All I can remember seeing for cleaning rods are wood with metal fittings, at least until I Googled; "Tiger II Munster". The rods on the Munster KT appear to be metal, at least as far as I can tell. I can't seem to get these photos to load beyond thumbnails;
http://images.google.com/images?q=Tiger+II+munster&hl=en&btnG=Google+Search
Here is a shot of Saumur's restored and running KT;
These are obviously wood.