Our special selection of the best grayling fly patterns for river fly fishing! This selection includes 32 patterns tied on high quality barbless hooks size 16! Flies were selected for fishing on European grayling rivers and streams. 6 tungsten nymph and 2 dry fly patterns of 4 pieces of each type are ready for action in a very practical small and thin fly box that fits into a small pocket of your fly vest or shirt! Great flies for river grayling fly fishing, but very effective for coarse fish on non-trout rivers as well.