Berkley Trilene Super Strong Smooth Casting 6 lb Fishing Line. 

Two Packs! Each has 330 yds/300 meters!

Built to deliver the super strength and durability needed when fishing around rocky ledges, heavy weeds, docks, and rough brush piles

This abrasion-resistant Trilene XT Extra Tough monofilament line excels in heavy cover. 

An excellent high-performing, low-memory line that casts very well and won't put a large dent in your wallet

This mono line is designed to allow you to get away with some incredibly dicey casts.