Mustad In-Line Circle Hooks are a multiuse, in-line, classic, true-circle hook design with Mustads exclusive proportional sizing and the popular sharp MTL point. Mustads In-Line Circle Hooks are endorsed by The Billfish Foundation for Enhancing Safe Release Practices. Sizes:#4 (per 10),#2 (per 10),#1 (per 10), 1/0 (per 8), 2/0 (per 8), 3/0 (per 8), 4/0 (per 8), 5/0 (per 8), 6/0 (per 5), 7/0 (per 5). Color: Black Nickel. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hooks.