Scientific Anglers Absolute Fluorocarbon Tippet features incredible clarity and abrasion resistance and boasts a 15% higher wet knot strength compared to Scientific Anglers previous material. Scientific Anglers Absolute Fluorocarbon Tippet Features: 100% Fluorocarbon, abrasion resistant for Saltwater, Warm water, and Anadromous species Stiff material for excellent turnover Silicone band protects tippet from UV exposure Patented cutter spool design