Fishing Type/Fish Species: Ishidai (Striped beakfish), Isu (rock fishing), Chinu (Black sea bream), Boat Type: Fishing hooks Features: Handmade Size: 15 These are Tosa hand-forged fishing hooks. They are handmade. Some hooks may have imperfect plating, but this does not affect their use. Tankichi Fishing Hooks has a tradition of over 240 years since its establishment in 1781 (Tenmei 1), specializing in the forging, hand-forging, and handcrafting of fishing hooks, much like the process of making Japanese swords.