Harken 25mm Wire Block - High Strength

2 items left

Harken 25mm 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 300 wire block has a 25mm sheave and comes complete with a shackle at the top for attaching to your boat.


  • Sheave - 25mm
  • Weight - 28g
  • Shackle pin diameter - 5mm
  • Maximum wire diameter - 2mm
  • Maximim line diameter - 4mm
  • Maximum working load - 454kg
  • Breaking load - 907kg

Instant Savings