Harken Ball Bearing Blocks

SKU: 21258

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Availability: In Stock
Class legal since 2010. These blocks are lighter, stronger, and offer less friction than the old style.

Mainsheet eases out better in light air and require no electrical tape to hold together the traveler blocks.



  • Sold as a 4 block set (mainsheet & traveler)
  • Harken Made
  • Ball Bearing Mainsheet Sheaves
  • Stronger Design
  • Traveler block connection requires no taping - can't come loose
  • Includes rivets for mounting
  • 2.5oz Total Weight - Travelers
  • 2.8oz Total Weight - Mainsheet Blocks
  • 4 stainless steel rivets included

Additional Info

Additional Info

SKU 21258
Manufacturer Harken
MPN 91437


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