$3.75 SKU: JS-021-S
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 whenever you fish a size 1 or 2 J:son fly.
Size 10: mm or approx 3/8 in. Hook: J:son SS.DF #20