MuskieLeash Flourocarbon Fishing Leader (80lb test) #3 (5-Pack) Made with 80lb test Berkley Vanish flourocarbon leader material. #3 electroplated black ball bearing swivel for smooth operation. #3 crosslock (insurance lock) snap ends for a failsafe closure. 5 per pack. Made by muskie fishermen. Walk those puppies into the Boat! We all know the pain of losing a Monster.