Seaguar Grand Max Fluorocarbon Tippet Material 25-Meter Spool - $4.88

This tippet material isn't stiff or kinky like other fluorocarbon leader materials and has relatively low memory so it relaxes and straightens out. Grand Max also delivers exceptional knot strength, retaining up to 97% of its unknotted strength when tied with an improved clinch. And its refractive index rating a measure of visibility is much lower than other materials. Comes in 25-meter spools. - $4.88