UNI Caenis Thread
Uni Caenis Thread is one of the lightest threads available on the market today.
Perfect for tying your smallest flies; we recommend sizes 18 and smaller. Each 200 yard spool is measured at 20 Denier, which would be roughly equivalent to a 20/0 thread with a break strength of 3 oz. UNI-Caenis thread available in both black and white.