To a hungry predator fish, the Opti Tackle Double-Blade Lake Troll looks like a bunch of tasty baitfish swimming by. This masterpiece of attraction delivers unmatched vibration, maximum flash, and twice the underwater thump of single-blade rigs. Its constant vibrations and flash attract fish to your lure from long distances. Each Opti Tackle lake troll has 3 sets of double blades. Crafted with premium components. Looks like a school of frightened baitfish Unmatched vibration and maximum flash Twice the thump of single-blade rigs Attracts fish from long distances 3 sets of double blades Premium components