Block - Synchro - Single
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Block - Synchro - Single
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Block - Synchro - Single
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Designed and engineered for speed, efficiency and superior handling, the Synchro range of blocks combine a free spin bearing with a self-aligning head to reduce friction and increase efficiency. Each component is designed to perfectly synchronise with the movement of the rope to provide smooth and efficient transfer of power with reduced rope wear.
The lockable head allows for in-line or 90° positioning while the integrated 30° floating movement provides improved alignment. Additionally, the head may be left to freely rotate when in the unlocked position.
Applications include:
  • Halyard turning
  • Mainsheet systems
  • Mast foot blocks
  • Mast head blocks
  • Boom vang
  • General sheet blocks

  • Range includes single, double, triple and fiddle blocks
  • 50, 60, 72 and 90mm sheave diameters
  • Stainless steel straps and glass fibre reinforced cheeks
  • High density free spin plain bearing
  • Tool free swivel lock self aligning head
  • Optimised sheave to rope ratio

    Other Details:
    BLA Code Description Sheave Dia.
    Max Rope Size
    Load Limit kg
    Breaking Load
    Pin Dia. mm
    420300 Single 50 10 450 900 4
    420330 Single 60 10 800 1600 5
    420360 Single 72 12 1100 2200 6
    420390 Single 90 14 2000 4000 9.8
  • After ordering online, you will receive an email confirmation containing your order details from sales@arnoldsboatshop.com.au. Your order will be confirmed within a few minutes of placing your order.

    It is our policy to ensure we deliver to our customers in a timely manner. In order to achieve this we use a range of freight companies depending on the size and weight of your order. In some instances we may use a number of carriers to get your products to you. For example chain may come by road, some electronic equipment by air.

    Orders delivered to Australian Post Codes under $499 attract an $18.00 shipping charge. Orders of $499 or more ship free.

    International orders will be charged at $0.00 initially and our staff will be in contact with a shipping quote. If the quote is not accepted the customer reserves the right to cancel their order and be refunded in full.

    Should you have any queries or concerns about shipping, please contact us and we will have someone get back to you.