Semperfli Nano Silk Fly Tying Thread is regarded as the tying thread choice of professional fly tyers world wide. Being so super strong and available in such a variety of colors and Deniers, it has endless possibilities and can be used for micro to medium flies. Virtually unbreakable and still capable of being split down for dubbing twists there is no fly tying thread as strong as Nano Silk anywhere. These bulk spools offer between 200 and 500 meters of material With Nano Silk you will have confidence that even the smallest of flies can be tied without your thread breaking! Use with ceramic bobbins. 18/0 Breaking Strains 1,140gm / 2.51lb strongest in test. Recommended hook size guide #16-#32 12/0 Breaking Strains 1,9000gm / 4.2lb strongest in test. Recommended hook size guide #8-#18 6/0 Breaking Strains 3,800gm / 8.4lb strongest in test. Recommended hook size guide #10-#2/0 and above Shop the Semperfli Collection
