Harken 57mm Carbo T2 Loop Block

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Harken 57mm Carbo T2 Loop Block - 2151

The high-strength composite 57mm T2™ is the first block from Harken with no metal shackles or rivets. It is used for traveler controls, mainsheets and vangs, cascades, bridles, and other systems where lightweight blocks are needed.

The T2 Loop’s on/off loop system slides through the block head and over the anchor post for a secure connection. A SK75 Dyneema® rope loop is included. Replacement loops are also available if needed.


  • Sheave Ø (mm) - 57 mm
  • Length (mm) - 79 mm
  • Weight (g) - 59 g
  • Maximum line Ø (mm) - 11 mm
  • Maximum working load (kg) - 359 kg
  • Breaking load (kg) - 1,080 kg
  • Includes - 2155 loop

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