People, please, forget the X/0 system, it has become meaningless. If a
spooler won't tell you the Denier (weight in grams of 9000 meters) of
their thread, buy someone's who will. Just for reference, here are a
some UNI numbers. 

                Denier  
17/0            40      
8/0             72      
6/0             135     
BigFly          400     
Kevlar          200     
UNI-Cord 12/0   50      
UNI-Cord 7/0    100     
UNI-Nylon       70
UNI-Nylon       210

Cheers,
Paul
http://www.galesendpress.com

Paul Marriner
Outdoor Writing & Photography. Member OWAA & OWC. Author of Stillwater
Fly Fishing - Tools & Tactics (CD), Modern Atlantic Salmon Flies,
Miramichi River Journal, Ausable River Journal, and Atlantic Salmon.

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