Looking for ceramic sharpening rods source

I am looking for source of alumina ceramic rods. (Fine, medium and coarse grit. Size: 3/8" diam. 8" length)
Does any one knows who manufactures them?
Any wholesalers of this stuff in US? I would buy hundreds of those.
Thanks, Alex
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On Sun, 16 Nov 2003 05:33:34 GMT, alexkuzn

google?
http://www.graphitestore.com/items_list.asp/action/prod/prod_id/61/cat_id/16 http://www.accuratus.com/alumoxszs.html
and a lot more...
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