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Harken 57mm 5-Sheave Block - w/Swivel

SKU# 2762
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Harken 57mm 5-Sheave Block - w/Swivel is backordered and will ship as soon as it is back in stock.


Rigging Shoppe ships to Canada only. ALL prices listed on this website in Canadian dollars.

Shipping within 24 hours if possible. Delivery usually 2 - 5 business days in Canada.

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Learn about our complete shipping policy here.

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable.

Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.


  • Sheave Ø (mm): 57 mm
  • Sheave Ø (in): 2 1/4 in
  • Length (mm): 121 mm
  • Length (in): 4 3/4 in
  • Weight (g): 448 g
  • Weight (oz): 15.8 oz
  • Shackle pin Ø (mm): 6 mm
  • Shackle pin Ø (in): 1/4 in
  • Maximum line Ø (mm): 10 mm
  • Maximum line Ø (in): 3/8 in
  • Maximum working load (kg): 1080 kg
  • Maximum working load (lb): 2380 lb
  • Breaking load (kg): 2270 kg
  • Breaking load (lb): 5000 lb