Harken Hardware Harken 18mm Double Soft Attach Fly Block 2158 Rope44

Harken 18mm Double Soft Attach Fly Block 2158

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Extreme Load Block

Crafted for high-performance ropes on high-performance boats, from foilers to sportsboats & grand prix racers. The soft attach fly blocks have an incredible working load for their small size. 


  • Foiling Dinghies / Moths
  • Sport Boats
  • Vang Cascades
  • Backstay Systems
  • Sail & Rig Control Systems 


  • Integrated Stainless Steel Inner Race & Rivet
  • stainless steel ball bearings
  • Composite Fiber-reinforced Sideplates.
  • Composite line guides to ensure alignment
  • Length of Soft Attach Spectra® line is included


Model 2158
Sheave Dia (mm) 18mm
Max Working Load (Kg) 204
Break Load (Kg) 680
Max Line Diameter (mm) 5mm
Soft Attach Y
Weight (g) 17