Harken 38mm Wire Block - High Strength

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Harken 38mm Wire Block with Shackle

Harken wire blocks are lightweight and have low friction. They can carry wire halyards and high-strength control lines on boats of all sizes.

This Harken 304 wire block has a 38mm sheave and comes complete with a shackle at the top for attaching to your boat.


  • Sheave - 38mm
  • Weight - 78g
  • Shackle pin diameter - 6mm
  • Maximum wire diameter - 3mm
  • Maximim line diameter - 5mm
  • Maximum working load - 680kg
  • Breaking load - 1361kg

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