Mustad Hooks cover a broad range of fishing uses and are backed by quality manufacturing. To increase the strength of their hooks, Mustad uses a unique three-stage computer-controlled tempering process, which transforms the hook into a fine-grained, ultra-strong microstructure. The Mustad OShaughnessy Model 3407-SSD Hook includes forged, 2X strong wire and ringed eye. Per 5. Size: 7/0. Color: Duratin. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hooks.