Daiwa JThread FC 40lb

Backing up from the success of J-Braid, J-Thread FC is a 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. Available in 4-80lb breaking strains in 100 or 50m spools, J-Thread FC is ready for battle.


Key Statistics

  • Measured Diameter: .507mm (+100.4% on claimed .505mm) This accuracy is extremely uncommon!
  • Measured Breaking Strain: 32.66lbs (81.6% on claimed 40lbs)
  • Abrasion Breaking Strain: 14.96lbs (30.2% of measured)
  •  Breaking strain indicate that this is closer to a 30lb line, not 40lb. Abrasion resistance is right on average compared to other monofilaments.

Testing Process

Key Line Statistics

Diameter Measurements