Siman Czech UV Reflective Thread

An awesome new type of UV reflective fly tying thread that can be used as standard tying threads, as a body floss or as ribbing or to accentuate

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Siman Fly-Fishing Shop, Czech Nymph Products, Czech Nymph Masterclass.

Jan Siman Fly Tying Materials – Dakota Angler & Outfitter

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Siman Czech UV Reflective Thread