Randall Kaufmann developed this perfect replica of the natural stonefly, a legendary pattern with the weight it needs to get where it belongs. With rubber legs it's just that much more enticing. Get it in the water, it does the rest of the work for you.
I am again impressed with the quality of these flies and the speed in which I get them. Rating these based on how they catch fish seems unfair since the anglers ability of when and how to use them really comes into play. So the fly quality is the biggest factor for me and these are excellent.