Possibly the worlds strongest fly tying silk for its diameter. Te Nano Silk Ultra is ideal for flies sizes 18 and smaller. And you can still split it down further or use it to tie dubbing loops!. 18/0 (30 denier) use with ceramic bobbins.
100 meter spools
WARNING: Cancer & Reproductive Harm -
This product may contain chemicals known to the state of California to cause cancer, birth defects or other reproductive harm.
http://p65warnings.ca.gov/
