Sea fishing refers to fishing by the sea. The main objects of sea fishing are bass, yellow croaker, cod, hairtail, grouper, eel, etc. Since the fish in the sea are saltwater fish, they are more ferocious and greedy than freshwater fish. Eat, it is conducive to the harvest of fishing.The uniqueness of sea fishing types and places determines the uniqueness of sea fishing gears. The ocean area is wide and the water body is deep. Longer fishing lines and heavier fishing sinkers should be equipped.In Japan and Korea, the most commonly used fishing sinkers are tungsten snapper jig heads and tungsten micro jig and size is between 10g-250g.