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.