Allowing you to use a smaller test for an unmatched strength and presentation. Becoming the number one leader used all of the world.Line Diameters: 6 lbs: .185 mm or .007" 8 lbs: .215 mm or .008" 10 lbs: .235 mm or .09" 12 lbs: .285 mm or .011" 15 lbs: .330 mm or .013" 20 lbs: .405 mm or .016" 25 lbs: .435 mm or .017" 30 lbs: .520 mm or .020" 40 lbs: .620 mm or .024" 50 lbs: .660 mm or .026" Extraordinary knot strength and castability Delivers strong, yet supple, fluorocarbon line Superior, state-of-the-art double-structure process Fuses two custom, 100% fluorocarbon resins High-density interior resin improves tensile strength and sensitivity Softer exterior resin enhances knot strength World&';s only double-structure main line