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Ronstan Blocks

Ronstan has grown well beyond its origins as the Australian market leader in dinghy hardware and general marine fittings, to become an international powerhouse of the marine industry. Ronstan has a reputation among sailors as the equipment of choice on boats from the flying Moths and the Olympic sailing classes to the record-setting offshore multihull sailboats and the Volvo Race fleet.

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  • Ronstan 15 mm Utility Double Block

    Ronstan 15 mm Utility Double Block

    Ronstan
    $25.74
    The Ronstan 15 mm Utility Block range offers small boat sailors a lightweight, stainless steel block range for a variety of applications such as control lines and shockcord tension systems. This double block version is great for control line systems such...
    Qty in Cart: 0
    Price:
    $25.74
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  • Rostan 40 mm Orbit Manual Ratchet Block

    Rostan 40 mm Orbit Manual Ratchet Block

    Ronstan
    $75.82
    Now you can enjoy the flexibility of setting up your rig exactly as you want. Ronstan is the only company that offers a 40 mm ratchet block with both auto and manual engagement models. This manual version allows the ratchet mechanism to be switched on or...
    Qty in Cart: 0
    Price:
    $75.82
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  • Ronstan 15 mm Utility Double Block with Becket

    Ronstan 15 mm Utility Double Block with Becket

    Ronstan
    $28.50
    The Ronstan 15 mm Utility Block range offers small boat sailors a lightweight, stainless steel block range for a variety of applications such as control lines and shockcord tension systems. This double block version is great for control line systems such...
    Qty in Cart: 0
    Price:
    $28.50
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  • Ronstan 55 mm Orbit Ratchet Block w/ Swivel

    Ronstan 55 mm Orbit Ratchet Block w/ Swivel

    Ronstan

    $92.10
    Perfect for spinnaker sheet turning blocks. This Ronstan block is free wheeling at low wind velocity. As the wind velocity increases the pressure on the sheave automatically engages the ratchet. The sheet rope is never trapped in the sheave and can slide...
    Qty in Cart: 0
    Price:
    $92.10
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  • Ronstan 20 mm Double Block

    Ronstan 20 mm Double Block

    Ronstan
    $33.05
    Ronstan's ball bearing blocks were conceived and engineered for the demands of competitive sailing in all types of boats and have rapidly become the international choice for high performance hardware. Highly efficient, low friction bearing systems for...
    Qty in Cart: 0
    Price:
    $33.05
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  • Ronstan 30 mm Double Orbit Block

    Ronstan 30 mm Double Orbit Block

    Ronstan
    $40.13
    The Ronstan 30mm Double Orbit block is small and compact. Great for use on performance boats. 30mm  Ball Bearing Lightweight High working load Simple, versatile and secure attachment Low profile and compact * Double Block Style
    Qty in Cart: 0
    Price:
    $40.13
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  • Frederiksen 60 mm Ratchet Block

    Frederiksen 60 mm Ratchet Block

    Ronstan
    $240.45
    The Frederiksen ratchet block is legendary. It is light and very strong for optimal performance. The ratchet has a small distance between each click to enhance control of sheets. This is the ideal Laser mainsheet block. From Ronstan: The patented...
    Qty in Cart: 0
    Price:
    $240.45
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  • Ronstan 40 mm All Purpose Double Block w/ Becket & Swivel

    Ronstan 40 mm All Purpose Double Block w/ Becket & Swivel

    Ronstan
    $60.21
    40mm double block with swivel and becket from the Ronstan All Purpose (AP) blocks range, a great all around solution for a variety of rigging applications. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally...
    Qty in Cart: 0
    Price:
    $60.21
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  • Ronstan 20 mm Triple Block

    Ronstan 20 mm Triple Block

    Ronstan
    $44.86
    The Ronstan 20mm Orbit block is small and compact. Used on high performance boats, these blocks are used by the best and perform for the best. Made from advanced fiber and polymer technology, these blocks are ten times stronger than steel, yet more...
    Qty in Cart: 0
    Price:
    $44.86
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  • Ronstan 50 mm All Purpose Fiddle Block w/ Becket

    Ronstan 50 mm All Purpose Fiddle Block w/ Becket

    Ronstan
    $74.39
    Ronstan All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life,...
    Qty in Cart: 0
    Price:
    $74.39
    Subtotal:
  • Ronstan 40 mm Fiddle Block w/ Becket & Cleat

    Ronstan 40 mm Fiddle Block w/ Becket & Cleat

    Ronstan
    $100.37
    40mm ball bearing block from Ronstan in fiddle block configuration with an included cam cleat. This 40mm range features sheaves running on Acetal bearings that provide high performance & low friction. The 2-stage ball bearing system provides...
    Qty in Cart: 0
    Price:
    $100.37
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  • Ronstan 40 mm Fiddle Block

    Ronstan 40 mm Fiddle Block

    Ronstan
    $59.04
    40mm ball bearing block from Ronstan in fiddle block configuration. This 40mm range features sheaves running on Acetal bearings that provide high performance & low friction. The 2-stage ball bearing system provides consistent performance under the...
    Qty in Cart: 0
    Price:
    $59.04
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  • Ronstan Mainsheet Cam Cleat Swivel RF6

    Ronstan Mainsheet Cam Cleat Swivel RF6

    Ronstan
    $85.13
    Ronstan swivel cleat bases permit easy cleating and releasing from any angle. This RF6 swivel with cam cleat is perfect for mainsheet systems on small sailboats up to 15 feet and fits line up to 8 mm diameter. Glass fibre reinforced base and cleat arm...
    Qty in Cart: 0
    Price:
    $85.13
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  • Ronstan 20 mm Pivoting Cam Cleat N

    Ronstan 20 mm Pivoting Cam Cleat

    Ronstan
    $74.67
    Swivel cleat bases permit easy cleating and releasing from any angle. Sheave can be relocated up or down to allow the control line to feed from below. Series 20 ball bearing sheave Small "T-Cleat" "Fast Track" fairlead
    Qty in Cart: 0
    Price:
    $74.67
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  • Ronstan 20 mm Wire Block

    Ronstan 20 mm Wire Block

    Ronstan
    $32.09
    The Ronstan wire block is small and compact. It is made from advanced fiber and polymer technology, making them ten times stronger than steel, yet more lightweight. Use for 420/FJ/V15 Jib Halyard Block  20mm Ball Bearing Lightweight High working...
    Qty in Cart: 0
    Price:
    $32.09
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  • Ronstan 30 mm Upright Lead Block

    Ronstan 30 mm Upright Lead Block

    Ronstan
    $31.87
    Designed to work well as a primary lead block on dinghies and catamarans or for control lines on larger yachts, the Ronstan 30 mm ball bearing block range features sheaves running on Acetal ball bearings for high performance and low friction. The 2-stage...
    Qty in Cart: 0
    Price:
    $31.87
    Subtotal:
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