in these Mauser 98 cleaning rods on Ebay:
http://cgi.ebay.com/Mauser-98-Carbin...lenotsupported
or
http://cgi.ebay.com/98-Mauser-Commis...lenotsupported
or
http://cgi.ebay.com/Pair-of-Mauser-9...lenotsupported
Same guy's got some other "orginal" Mauser parts/accessories up for auction right now.
Disclaimer - I am not the seller, nor do I know who they are. I was just perusing Ebay looking for a #3 or #4 rotor for a Lyman Pistol Accumeasure, and remembered seeing lots of Mauser 98k posts over here. If anyone knows where I can said rotors, let me know.