I just found a good description of todays pen products:
http://www.nitro-pak.com/product_info.php? cPath=40_184&products_id=1006&osCsid=ef4204c620e93c98e8fd19daadda6ef7
The pen they show is larger than the metal one I saw, and made of plastic it appears. The $129.95 price tag is military sized, so I suspect they are still using platinum.
"Any kind of salt can be used, including pellets, table salt, or rock salt."
Regards, Horace Heffner
