Gamakatsu® Circle Hooks are made from high carbon steel and forged through a unique tempering process. This combination creates a hook of superior strength, incredible durability, and unmatched quality. Conically needle-honed points are unbelievably sharp right out of the package and stay sharp for a very, very long time. The Nautilus Circle Hooks can be used for live bait or chunk bait presentations and has proven its strength many times.