True to its name, AFW Tooth Proof Single Strand leader wire offers the best defense against the vicious jaws of toothy fish like barracuda, Spanish mackerel, wahoo, and others. made from a carefully regulated Type 304 stainless steel alloy, which provides the ideal balance of strength and flexibility. It is strong but not fragile. Tooth Proof tames even the hardest toothy fish and has unmatched abrasion resistance. AFW's exclusive pre-straightening method produces a leader wire that is straighter and more resistant to kinks by doing away with cast. In deep water, the unique Brown finish camouflage disappears. Tried and tested in tournaments, this reliable leader wire keeps putting fishermen on the winning board! Designed in the USA!