Nano Silk

Semperfli Nano Silk is widely regarded as the finest GSP (Gel-Spun Polyethylene) thread on the market and the choice of professional fly tyers worldwide. 10 times stronger than steel of the same diameter, it lays perfectly flat with zero build-up regardless of how many wraps you apply — making it ideal for small precise patterns, deer hair spinning, saltwater and predator flies alike.

• GSP construction — 10x stronger than steel of the same diameter
• Lays perfectly flat with no thread build-up
• Available in 6/0 100D and 12/0 50D
• Ideal for deer hair spinning, saltwater and predator flies
• Available in Black and White
• By Semperfli — trusted by professional fly tyers worldwide