The pheasant tail nymph is one of the oldest flies still in general use. It has remained popular over the years because it is incredibly effective. It mimics a variety of freshwater organisms that fish like trout love to eat. When nothing else works a small pheasant tail will often prevail. The flashback pheasant tail has a big of flash material on the wing case that reflects and shines just enough to bring in more bites.
Sold by the dozen.