Details Bring your flies to life with the most realistic 3D eyes on the market. Designed by Martin Bawden Designed with photo-realistic holographic technology and high-resolution images of real baitfish eyes, this comprehensive range of fly tying eyes includes colors and sizes designed to fit everything from smaller trout patterns to huge predator-style flies. Quantity per pack: 3 mm - 7 mm (20); 8.5 mm - 10 mm (16); 15 mm (12)