8/0 UNI-Thread is the favorite fine fly-tying thread of fly–tiers all over the world.
Noted for being exceedingly strong for its diameter.
It is used and recommended by many noted fly-tiers/authors such as Jack Dennis, Bob Lindquist, Dick Talleur and Paul Marriner.
8/0 UNI-Thread is made of continuous polyester filaments, slightly bonded, which ties flat on the hook.