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important SHIPPING UPDATE

The recent Canada Post strike may affect shipping to some destinations - Read more to learn how your order may be affected

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A group of UNI Big Fly fly tying thread spools in a various colors on a white background.
Two spools of black UNI Big Fly fly tying thread on a white background.
Two spools of UNI Big Fly Chartreuse fly tying thread on a white background.
Two spools of dark brown UNI Big Fly fly tying thread on a white background.
Two spools of fire orange UNI Big Fly fly tying thread on a white background.
Two spools of grey UNI Big Fly fly tying thread on a white background.
Two spools of olive UNI Big Fly fly tying thread on a white background.
Two spools of orange UNI Big Fly fly tying thread on a white background.
Two spools of pink UNI Big Fly fly tying thread on a white background.
Two spools of red UNI Big Fly fly tying thread on a white background.
Two spools of tan UNI Big Fly fly tying thread on a white background.
Two spools of white UNI Big Fly fly tying thread on a white background.
Two spools of yellow UNI Big Fly fly tying thread on a white background.

UNI Big Fly Tying Thread

Regular price $3.49

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In stock

UNI Big Fly Thread 400 Denier is designed specifically for big saltwater flies, bass bugs and other tying applications where a very strong, easily-handled thread is necessary.

  • 80 yard spools available in all the right colors
  • 400 Denier
  • Untwists quickly and easily for flat-thread applications
  • 4 times stronger than a 6/0 thread and four times bigger too
  • Same material (polyester) as UNI 6/0 and 8/0 thread so it won't dull fly-tying scissors

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