The Mustad UltraPoint In-Line Octopus Circle Hook is a multiuse, in-line classic true circle hook design with proportional sizing and an up eye for snelling. It has the Mustad Opti-Angle needle point thats chemically sharpened for precise performance. Its endorsed by The Billfish Foundation for Enhancing Safe Release Practices because it helps prevent fish from swallowing the bait. The Mustad UltraPoint In-Line Octopus Circle Hook is a saltwater big game fish hook for live or cut bait. Per 6, except sizes 9/0 and 10/0 are per 5. Sizes: 4/0, 5/0, 6/0, 7/0, 8/0, 9/0, 10/0. Color: Black Nickel. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hooks.