The Fly Fishing Place Trout Nymph Fly - San Juan Worm Power Bead 1/2 Dozen Double Bead Red V-Rib #10 - Set of 6 Beaded Nymph Trout Flies Nymph Wet Flies A deadly trout fly pattern that imitates aquatic worms in their natural environment Excellent dropper nymph fly - double beaded for getting deep in the water column quickly Excellent trout, bass or panfish flies !/2 dozen size 10