Keeper Lures Tungsten Jigs are effective lures for vertical fishing during summer or winter, in open water or under the ice. The jigs are handcrafted using only quality materials in the manufacturing process. The jigs are equipped with Japanese Hayabusa Hooks. An extra thin tip of the hook allows the use of baits like larva and micro plastics. Tungsten Hook Size(s) vary with Tungsten Type / Style.