Hareline Uni 210 Denier Nylon Thread #11 – Black

A very strong flat nylon fly tying thread for tying all types and sizes of flies. It can be split easily to make dubbing loops. Available in two sizes, 70 denier with breaking strength of 15 oz. (200 yds), and 210 denier with breaking strength of 53 oz. (100 yds), in black and white.