Specially formulated for ice fishing, this 100% fluorocarbon line offers near-invisible performance, bite-detecting sensitivity and a super-thin diameter for responsive lure control. Fluorocarbon has a refractive index thats close to water, so its virtually invisible to fish. Its low-stretch, low-memory properties also deliver instant hooksetting power and improved manageability for better line handling. Available: 2, 3, 4, 5, 6-lb. test. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Line.