These fishing lure eyes are game-changers for making your own custom fishing baits. You get a huge variety - 3mm, 4mm, 5mm, and 6mm sizes in both 3D and 4D designs that look incredibly realistic in the water. The holographic finish catches light from every angle, making your lures stand out to fish. They have adhesive backs that stick to most surfaces, though you might want a drop of super glue for uneven areas. Perfect for upgrading existing lures or building your own from scratch - jigs, crankbaits, spinnerbaits, you name it. The eyes come on easy-to-use laminate cards so they're simple to handle and apply. Seriously, if you're into custom lure making or just want to refresh some old baits, these eyes make a huge difference in how realistic your lures look. Fish definitely seem to key in on those realistic eyes. They're one of those small details that can really improve your catch rates without breaking the bank.