A 100% fluorocarbon leader manufactured in Japan using Yo-Zuri exclusive extrusion process. Topknot 100% fluorocarbon leader is invisible to fish resulting in more strikes and more fish in the boat. Built to be incredibly abrasion resistant making it well suited for fishing in and around heavy structure. Topknot leader is available in Natural Clear and disappearing pink and 8-200lb test to cover all varieties of fishing conditions.