25 mm Wire Block — Shackle

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Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.


  • Sheave Ø (mm)25 mm
  • Sheave Ø (in)1 in
  • Weight (g)28 g
  • Weight (oz)1 oz
  • Shackle pin Ø (mm)5 mm
  • Shackle pin Ø (in)3/16 in
  • Maximum wire Ø (in)3/32 in
  • Maximum wire Ø (mm)2 mm
  • Maximum line Ø (mm)4 mm
  • Maximum line Ø (in)5/32 in
  • Maximum working load (kg)454 kg
  • Maximum working load (lb)1000 lb
  • Breaking load (kg)907 kg
  • Breaking load (lb)2000 lb