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Ultra GSP is the strongest fly tying thread on the planet. Boasting a steel like strength for its weight, this thread really lets you put the pressure on! Our gel spun polyethylene is supple, ties flat and is available in the largest selection of sizes and colors. Choose 50 denier GSP for tying small trout flies with a minimum of bulk. GSP 75 and 100 have all around versatility for fresh and saltwater flies. GSP 200 is the size to choose for big deer hair work or when you really need to crank down!
GSP 100 has approximately 8 pound breaking strength
*Holiday Shipping - Dec 16th for small items USPS for Christmas delivery. USPS can experience delays and we cannot guarantee delivery by Christmas for every package.
Best bet holiday shipping is to Select UPS Shipping- Ground cuttoff is Dec. 15th to be safe. Dec 18th 2nd Day Air
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