The WD40 is an all time favorite fly on the San Juan River. Especially the chocolate color. Since its creation it has been used all over tailwater fisheries. I use this fly all the time and it is amazing how productive it is. Fish love it.
Mustad Hook Details: The Mustad Signature fly hooks feature unique sharpness and strength. Developed in cooperation with the world?s top fly tiers to exact proportions between, gap, bend, wire diameter and shank length for precise scaling unmatched by others. Micro barb can easily be pinched down without damaging the hook for barbless applications. Bronze finish. Chemically sharpened, Nor-Tempered high carbon steel.