18" Monofilament snell with a circle sea hook, 5 pack.  In our opinion these hooks are rather small, we suggest using a 3/0, 4/0 and 5/0 are suitable for worms. 

5/0, 6/0 and 7/0 are suitable for clams, and squid.

For chunking mackerel or herring we suggest a 7/0.