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Spooled - Ultra GSP

Ultra GSP is the strongest thread on the planet. Boasting steellike 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 3 different sizes. Choose 50 denier for tying small trout flies with a minimum of bulk. GSP 100 has all around versatility for fresh and saltwater flies, and GSP 200 is the size to choose for big deer hair work or when you really need to crank down.
Sizes: 50 Denier (4# breaking strength), 75 Denier (6# breaking strength), 100 Denier(8# breaking strength), 130 Denier (12# breaking strength), 200 Denier (16# breaking strength)

Some colors/sizes are limited stock.

Spooled - Ultra GSP