400 denier strength ensures durability for large fly tying projects
Smooth, non-stick surface prevents thread from slipping on hooks
Compatible with both natural and synthetic fibers for versatile fly construction
Available in 12 vibrant colors for creative and realistic fly designs
80 yard spool length offers ample material for multiple projects
Summarized by Shop
Extremely strong, lies flat without the slickness of Kevlar. While it's the heaviest of conventional (i.e., not GSP or kevlar) thread at 400 denier, it is also the strongest with a tested breaking strength of 100 oz. Use for saltwater or bass flies. 80 yd./spool.