First you became a fighter, now you must become a leader. Backing up from the success of J-Braid, J-Thread FC is a brand-new 100% fluorocarbon leader material that boasts increased abrasion resistance and super-low memory. Made in Japan from the finest raw materials, J-Thread FC features a low-memory core, improving handling characteristics and improving knot performance. The outer layer is treated to increase hardness and resilience to abrasion.