100lb test and 9/0 Stainless Steel J hooks. They all have water activated L.E.D. lights inside that can last up to 150 hours. Great for jigging or trolling all types of predator fish including halibut, rockfish, snapper, tuna, cod, sailfish, barracuda and all other fish that love to eat squid. The LED light inside is water activated and can last up to 150 hours. They work extremely well on a spreader bar with a piece of bait attached to the hook.ÂÂÂ