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57mm Double Zircon Block w/Becket

Regular price £147.22 Sale price £163.58

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Zircon blocks are the most efficient small boat blocks Harken has ever produced. Available in  40mm and 57mm sheaves in single and double blocks, with or without beckets.

At the core of Zircon performance are industrial ceramic ball bearings mounted inside caged races. The cages keep these bearings apart so they don’t bunch up, touch, and stop each other. The result is a very free-running block with less energy lost to friction and bearings that are more than 700% stronger, in compression than stainless bearings of the same size.

Specification: Double w/Becket

Harken P/No:2198

  • Sheave Diameter: 57mm
  • Length: 95mm
  • Weight: 92.7g
  • Maximum Line: 10mm
  • Maximum Working Load: 300kg
  • Breaking Load: 900kg
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