A kingfish tourney is not the time to find out that your leader can't hold up to all that slashing, dashing, and crashing. If you expect to make the leader board, then nothing less than the proven strength of American Fishing Wire 's Tooth Proof Stainless Steel Leader Wire will do. This is amazingly tough single-strand wire, made from premium, specially controlled Type 304 stainless steel alloy. You'll find it hard, truly tooth-proof, and highly resistant to kinking and abrasion, but never brittle. American Fishing Wire Tooth Proof undergoes a unique straightening process that completely eliminates cast, yet retains enough flexibility to tame the hardest fighters on the sea. Barracuda, king mackerel, wahoo—if you target them, play to win with Tooth Proof. Tough single-strand wire Premium Type 304 stainless steel alloy Hard, tooth-proof, but never brittle Highly resistant to kinking and abrasion Helps tame kings, wahoo, barracuda, etc.