One of the hottest trout dry flies on the river to imitate stonefly and Caddis adults Randall Kaufmann's improved Stimulator featuring Crystal Flash and Rubber Legs Excellent trout, bass or panfish flies. 6 Fly Fishing Flies Hook Size 14 Hand tied dry flies are made with premium hooks and hackle to catch fish! Add these necessary flies to your fly box, or give as a gift to your favorite angler. Outstanding Randal Kaufmann fly pattern is a great imitation of stonefly and Caddis adults, and is a perfect searching fly pattern.