Article number: 5721306064
Size: 10 mm / approx 3/8 in Hook: J:son SS.DF #20
In many European waters the Brown Mayfly Dun is one of the most important mayflies to hatch. This is the best imitation around. But the combination of size and color makes it useful as an imitation of a large number of mayfly species in other areas of the world, such as the northwest in the States.
We do recommend you to use a J:son Swivel for all your fly fishing and all your flies. However, it is necessary to use a J:son Swivel whenever you are fishing a J:son fly in size 1 or 2.