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Lewmar 90 mm Synchro Block

  • Single Block with Swivel Head, Color: Black
  • Safe Working Load: 4400 lbs
  • Maximum Line Size: 9/16"
  • Item #: 
    Model #: 


    Shipping Weight: 
    1.05 Lbs.
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    Status:    null In Stock

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    • Lewmar synchro block are engineered for speed, efficiency and superior handling
    • Lewmar uses a combination of scientifically optimized block geometry, a Free-Spin bearing and self-aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems
    • Each component is perfectly synchronised with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope
    • Features Stainless steel strap for improved strength and longer service life
    • Stiff glass fiber reinforced cheeks to prevent lines from wedging
    • Innovative design with “tool-free” sliding swivel locking mechanism
    • Plain bearing blocks are typically used for heavy and static loads in:
      • Halyard tuning
      • Mainsheet systems
      • Mast foot blocks
      • Mast head blocks
      • Boom vang
    • Practical switch from swivelling to fixed shackle

    Note:  Lewmar products are designed for use in recreational marine applications.  Any commercial application is forbidden without the prior approval of Lewmar engineering and management.


    Lewmar Snap Shackle Adapter
    Item #: 615667
  • Applications: Size 90 mm Lewmar Synchro Blocks, 72 mm HTX Blocks
  • Safe Working Load: 4400 lb, Breaking Load: 8800 lbs, Pin Diameter: 3/8"
  • Material: Stainless Steel
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