Article number: 5700000035
Size: 12 mm / approx 1/2 in Hook: J:son NP #18
When ever you fish in a water that is inhabited by smaller mayflies, this is the pattern to start of the day with. It can imitate many species of mayfly nymphs, but is mainly created to cover most of the species within the Baetis family.
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.