Different to other flosses on the market, Semperfli fly tying Floss is thin at just 400 Denier it can be used for smaller trout flies and doubled over for use on Salmon patterns, including classic salmon flies.

Nano Silk is regarded as the tying thread choice of professional fly tyers world wide.

G.S.P (Gel Spun Polyethylene) is by far the strongest thread on the planet after our Veevus thread.

The monofil thread is available in 2 different sizes, 0.10mm and 0.20mm. Spool size is 100m.

Ultra Thread has been engineered as a fly tying thread from the beginning.

Ultra Thread has been engineered as a fly tying thread from the beginning.