Knottable, elastic, kink-resistant, corrosion-free. Knot 2 Kinky's nickel-titanium leader wire is not indestructible, but it's close.

25# test wire diameter- .010" comes in a 15 foot coil.

35# test wire diameter- .012" comes in a 15 foot coil.

45# test wire diameter- .014" comes in 15 foot coil.