Unique strength of its kind, really ultra durable, although it is a very fine thread. Composed of multi-fiber, non-twisted, non-crimped, waterproof, soft and lighter water. The high rupture load qualifies it as the most versatile fleece yarn. In fact it is used indifferently for the construction of midge, streamers, sea flies and pike flies. This wire is transparent, and to get colored heads it is enough to dye with an indelible marker a few centimeters before starting the knot. Specifically, this wire is a 12/0, 70 den and is sold in 50 meters coils.