Sufix Invisiline Fluorocarbon Ice Line gives ice anglers the strength, sensitivity, and stealth needed to fool pressured fish in clear water. Made from 100% fluorocarbon, it sinks four times faster than monofilament for precise lure control and stays nearly invisible beneath the surface. A low-stretch design enhances hook-setting power, while its hydrophobic properties repel water to maintain consistent performance in freezing conditions. 100% fluorocarbon with stealth-like invisibility Low-stretch index for solid hook sets Sinks four times faster than monofilament, 50 yds. Quantity per pack: 1 Test (lb.) Diameter (in.) 2 0.005 3 0.006 4 0.007 5 0.0075 6 0.008 7 0.0085 8 0.009