Article number: 5700000043
Size: 18 mm / approx 3/4 in 4 Hook: J:son NP #12
The J:son size 3 mayfly nymph in the color sulphur can imitate a large number of nymphs, such as Ephemerella Invaria also known as the Sulphur Dun.
We recommend that you use a J:son Swivel for all your fly fishing, no matter what type of fly you are using. However, it is necessary to use a J:son Swivel when ever you fish a size 1 or 2 J:son fly.