Harken Hardware Harken 40mm Single Soft Attach Fly Block 2173 Rope44

Harken 40mm Single Soft Attach Fly Block 2173

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Extreme Load Block - Grand Prix Racing

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 


  • One Piece Titanium Outer Race/Sheave
  • Stainless Steel Ball Bearings & Inner Race
  • Composite Fiber-reinforced Sideplates


Model 2173
Sheave Dia (mm) 40mm
Max Working Load (Kg) 650
Break Load (Kg) 1300
Max Line Diameter (mm) 9mm
Soft Attach Y
Weight (g) 62.2