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Lewmar 30 mm Synchro Control Double Block

  • Double Block, Color: Black
  • Safe Working Load: 660 lbs
  • Maximum Line Size 5/16"
  • Item #: 
    Model #: 
    Shipping Weight: 
    0.15 Lbs.
    List Price: 
    Status:      In Stock




    • Lightweight with unprecedented load bearing capability
    • Ultimate efficiency and weight advantage
    • Metal replacement technology
    • Stainless steel central race and balls
    • Cheeks use long fiber technology
    • Exceptional strength and durability
    • Clever, open design facilitates easy flushing of sand and salt
    • Smooth running and simple maintenance


    • Double
    • Safe working load: 660 lb
    • Breaking load: 2640 lb (1200 kg)
    • Weight: 3.97oz (112.5g)
    • Maximum line size: 5/16" (10 mm)
    • Length: 3-47/64" (112.5 mm)

    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.

    WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to


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