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BlueWave Marine Hardware Rigging & Deck Systems

Ball-Bearing Halyard Block

Low friction under everyday load and, more importantly, still low friction under heavy load, where plain-bearing blocks lock up and chew lines.

  • Ball race retains its low friction at high load, not just under a light trimming pull.
  • Stainless cheeks rather than composite, chosen for UV life on a masthead installation.
  • Sheave groove profile matched to modern low-stretch covers to reduce cover chafe.
  • Head shackle removable so the block can be lashed with a soft shackle instead.
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Product Details

Used at the masthead, at the base of the mast and on deck for any control line that runs under sustained load. The 60 mm sheave keeps the bend radius comfortable for 10 and 12 mm halyards, which matters far more for line life than most crews expect.

If the block will be permanently loaded in one direction, order the fixed-head variant: a swivel that never swivels is one more bearing to service.

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Often specified together

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