Enhance your fly fishing experience with these 12 hand tied olive Barr's pmd emerger nymphs in sizes 16,18, 20 four of each size. Designed for catching trout, these fishing flies have a realistic insect shape and a sleek natural color that is sure to attract fish. Perfect for fly fishing enthusiasts, these flies are ideal for use in both still and moving water and are a must-have for any angler's tackle box.