These are useful for so many applications it's hard to know where to begin. Each feather averages approximately 6-inches long and most are fairly narrow with non-webby hackles, although each package will have a variety of feathers and some will be thin and non-webby and some will be wider and with more web. Overall, these Strung Rooster Saddles are great for collars on steelhead flies, good for medium to large sized Wooly Bugger hackles, great on bass flies, Matukas, saltwater patterns, etc.