In the mid 1980's, Daiichi introduced this "swimming nymph" hook to form the foundation for swimming mayfly nymph artificials, and for flies imitating leeches or worms. The gentle "s" curve helps give a life like appearance to these creations.Features Include:Straight EyeBarbed1X-fine wire3X-long curved shankSproat bendForged bronze25 PackSwimming Nymphs, Leeches, and San Juan Worms