Imported from England. A twisted thread for tiers tying medium to small hair flies such as “The Skunk.” Being twisted provides considerably greater strength than a thread that is semi-twisted or flat. Note the denier is only 134. It is a couple of pounds stronger than a flat 140 nylon or polyester. Breaking strength 4 lbs. 3 oz. Colors: black, white, brown, olive gray, and claret. Per 100 meter spool. Item# 1000