AFW 15ft Titanium Tooth Proof Single Strand Leader Wire  AFW 15ft Titanium Tooth Proof Single Strand Leader Wire. Wire stretches and revocers to set hooks and prevent bite-offs. Great for catching big game fish including Barracuda, King Mackerel, and Wahoo. Ties to bait and line using the Clinch and Albright knots. Black oxide Finish.