HARKEN 57MM QUAD BLOCK-SWIVEL

Harken SKU: 28-2631
Harken 57mm Quad Block-Swivel Murrays Part# 28-2631 57mm Carbo Blocks have an enormous working range and a very high strength-to-weight ratio. Use with #28-2632 base block for an 8:1 Carbo low-profile mainsheet system.

HARKEN 57MM QUAD BLOCK-SWIVEL

Harken SKU: 28-2631
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Harken 57mm Quad Block-Swivel

Murrays Part# 28-2631

 

57mm Carbo Blocks have an enormous working range and a very high strength-to-weight ratio.

Use with #28-2632 base block for an 8:1 Carbo low-profile mainsheet system.

Commonly used for Mainsheet systems on Hobie, Nacra and Prindle sailboats.

Specifications:

  • 2380 lb. SWL
  • 5000 lb. breaking strength
  • 7/16" maximum line diameter
  • 6mm shackle pin diameter

Harken Part number 2631

Nacra part number 9941

Pairs well with
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