Whiting Dry Fly Capes The ultimate in dry fly tying! With long supple quills and incredible barb density capable of tying down to size 26 and even smaller, Whiting Genetic Dry Fly Hackle is the connoisseur's choice for fly tying. This product line derives its heritage from the legendary Hoffman grizzly super hackle stock. Only Whiting Farms has this incredible genetic stock to offer you. Silver - The average feather ties 1-2 flies. Great range of sizes (Hackles range from about size 10 to size 22 or so.) Ultimate quality of dry fly hackle featuring dense barb count and limited webbing for high flotation, narrow stems for ease of wrapping. Bronze - The average feather ties anywhere from1 to 1 1/2 flies. Hackles about size 8 to 18 (some 20's depending on the neck) Great value offering many of the same qualities found in the Silver Grade, with a smaller expanse of sizing and finite details.