Semperfli Classic Waxed (Spyder) Thread 18/0 (30 Denier)

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Choose Color: Beige
Sale price$2.35 Regular price$3.85


Semperfli Spyder thread has been a long loved thread for tiny flies. Now we have taken it to the next level with Spyder ready waxed. Spyder, a traditional tying thread, was specially developed to be semi translucent so that the threads help adopt the shade of the  fly  pattern.  Spyder  has 2  fine  strands  of  thread  twisted together. It has a breaking strain of approximately 400gm - for comparison tests show Uni Caenis to have a breaking strain of 85g & Danville  Spiderweb  breaking  strain  is  approximately 142gm. The strength of Spyder in comparison will give the fly tyer confidence when tying small flies that their thread will hold better.  With 2 strands Spyder will also lay reasonably flat  when tying flies. Spyder  is  aimed  for  fly  tyers  wanting  to  tie  small  flies  as  an alternative to threads like Uni Caenis or Whisp which are weaker threads. In developing Spyder the team wanted a micro thread which had some strength, laid flat.

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