The Wapsi Bead Chain Eyes is a popular fly tying material for steamers and saltwater flies. Eyes are great for insect patterns like damsel and dragonfly nymphs, and for adding a shrimp-like look to a variety of popular bonefish flies. This is a simple, practical, and effective solution to simulate the bug-eye effect on many patterns while simultaneously increasing the sink rate. These Bead Chain Eyes will not tarnish. 18" per pack. Made in USA. Gives realistic eyes to insect patterns Simulates bug-eye effect Increases sink rate