Tooth Proof leader wire lives up to its name and provides maximum protection the ferocious jaws of Barracuda, King Mackerel, Wahoo and other toothy fish. Made from specially controlled Type 304 stainless steel alloy to be hard, but not brittle, and to deliver the perfect combination of flexibility and strength. Tooth Proof possesses incomparable abrasion resistance and tames the toughest toothy fish. AFWs unique pre-straightening process eliminates cast, providing a straighter leader wire with improved kink resistance. Tournament tested tough, this proven leader wire continues to put anglers on the winner board!