The wide gap and rounded shape of this Nautilus Circle Hook provides excellent hooksets. These heavy-wire hooks are designed to withstand the demands of saltwater fishing. Sizes: 1 (per 8); 1/0, 2/0 (per 7); 3/0, 4/0 (per 6); 5/0, 6/0 (per 5). Color: Nickel Silver Black. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hooks.