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harken-3122

Harken 57 mm Aluminum Flip-Flop Big Boat Block

The low-profile Flip-Flop blocks are lightweight and can be used for various leads on your boat including halyard leads, mainsheet leads and spinnaker sheet leads.

Specifications

  • A (mm) 93.6
  • B (mm) 39.7
  • Breaking load (kg) 2273
  • Fasteners (mm) 6 SH
  • Height (mm) 73
  • Length (mm) 111
  • Maximum line Ø (mm) 10
  • Maximum working load (kg) 1136
  • Sheave Ø (mm) 57
  • Weight (g) 255

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