Semperfli Nano Silk Fly Tying Thread is regarded as the number one choice of professional fly tyers world wide. Being 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.

• Can be split for dubbing loops
• Lays flat when wrapped
• Use with ceramic bobbins
• 18/0 hook sizes 16 to 32
• 12/0 hook sizes 8 to 18
• 6/0 hook sizes 10 to 2/0
• 3/0 hook sizes 10 to 2/0 plus

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