Seaguar IceX Fluorocarbon Fishing Line – Low Memory, Micro Diameter with Exceptional Abrasion Resistance, Knot and Tensile Strength, More Sensitive to Help Detect Bites, Made for Hard Water Low Memory, Micro-Diameter Ice Line, crafted from the highest quality 100% Seaguar Fluorocarbon Resins Built for Hard Water Performance, w/ Unparalled Abrasion Resistance A tough line that’s designed to stand up to toothy fish and the hard jagged edges of drilled holes.