Lewmar 30 mm Synchro Control Thru Deck Block
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Lewmar 30 mm Synchro Control Thru Deck Block

  • Thru Deck Single Block, Color: Black
  • Safe Working Load: 440 lbs (200 kg), Breaking Load: 1056 lbs (480 kg)
  • Maximum Line Size: 5/16"
  • Item #: 
    Model #: 
    Shipping Weight: 
    0.05 Lbs.
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    Our Price:
    Status:      In Stock



    Ideal for use with handheld loads, Lewmar's Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a Stainless Steel central race and balls provide a weight advantage, while Long Fiber Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.


    • Lightweight
    • Very High Strength
    • Impact Resistant
    • Reduced Friction
    • Easy Maintenance
    • Optimized for hand control
    • Applications:
      • Control line applications
      • Mainsail sheets for dinghies and keelboats
      • Spinnaker sheets, barber haulers
      • Genoa sheets
      • Dinghy applications


    • Safe Working Load: 440 lbs (200 kg)
    • Breaking Load: 1056 lbs (480 kg)
    • Weight: 0.92 oz. (26 g)
    • Maximum Line Size: 5/16"

    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 www.p65warnings.ca.gov

    Lewmar 30 mm Synchro Control Stand-Up Block
    Item #: 615657
  • Single Stand-Up Block, Color: Black
  • Safe Working Load: 440 lbs
  • Maximum Line Size 5/16"
  •  Include


    Model #:

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