The most suitable line and hook for fishing for mackerel are as follows:

1, 5 + 3 line: fishing for mackerel can be used with No. 5 main line, No. 3 subline, hooks with No. 7 to No. 8 Iseni hooks, No. 3 New Kanto hooks, etc. This line is most suitable for fishing for small mackerel up to 10 pounds.

2, 6 + 4 line: fishing mackerel can be used with No. 6 main line, No. 4 subline, hooks with No. 9 to 10 Iseni hooks, No. 4 Shinkanto hooks, etc., this line is best suited for fishing mackerel up to 20 pounds.

3, 7 + 5 line: fishing mackerel can be used with No. 7 main line, No. 5 subline, hooks with No. 11 to 12 Iseni hooks, No. 5 Shinkanto hooks, etc., this line is best suited for fishing mackerel up to 30 pounds.

4, 8 + 6 line: fishing mackerel can be used with No. 8 main line, No. 6 subline, hooks with No. 13 to 15 Iseni hooks, No. 6 Shinkanto hooks, etc., this line is most suitable for fishing mackerel up to 40 pounds.

5, 9 + 7 line group: fishing mackerel can be used with No. 9 main line, No. 7 subline, hooks with No. 16-18 Iseni hooks, No. 7 Shinkanto hooks, etc., this line group is most suitable for fishing mackerel up to 50 pounds.