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