Fishing Type/Fish Species: Horse Mackerel/Ajing, Rocky Shore, Black Sea Bream, Boat, Other Type: Fishing Hooks Features: Handmade Size: 20 Tankichi Fishing Hooks has a tradition of over 240 years since its establishment in 1781 during the Tenmei era, and manufactures fishing hooks specializing in the forging, hand-hammering, and handcrafting techniques of Japanese swords. These are Tosa hand-hammered fishing hooks. Handmade. Although the plating condition is not perfect, there is no problem at all in using them.