• Ronstan Series 50 All Purpose Stand-Up Block, Acetal Sheave – Boats up to 33ft
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Ronstan

Ronstan Series 50 All Purpose Stand-Up Block, Acetal Sheave – Boats up to 33ft

Ronstan Series 50 All Purpose Stand-Up Block, Acetal Sheave – Boats up to 33ft

SKUCT-113963

$51.77
$51.77
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Product details

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Ensure peak sailing performance with the Ronstan Series 50 All Purpose Stand-Up Block. Engineered for demanding marine environments, this block delivers exceptionally high working loads and requires minimal maintenance, providing reliable control for critical lines. Its self-lubricating Acetal polymer sheave guarantees low friction and extreme durability, making it an ideal choice for cruising and racing. Upgrade your vessel's rigging for enhanced efficiency and longevity today.

In the Box:
  • Ronstan RF51140 Series 50 All Purpose Stand-Up Block
  • Saddle
  • Spring
Key Benefits:
  • High Working Loads: Designed to handle demanding applications with a Maximum Working Load (MWL) of 1100 lbs (500 kg) and a Breaking Load (BL) of 2200 lbs (1000 kg), ensuring robust performance.
  • Low Friction & Durability: Features a self-lubricating Acetal polymer sheave running on polished stainless steel races for smooth operation and extended service life.
  • Corrosion & UV Resistance: Constructed with a Grade 316 stainless steel load strap and impact/UV-resistant fiber-reinforced Nylon cheeks, built to withstand harsh marine conditions.
  • Flexible Mounting: The Captive Lock™ universal head can be fixed in two planes or allowed to swivel freely, offering versatile installation options.
  • Foul-Free Operation: A slotted pin shackle design actively works to eliminate fouled lines, keeping your rigging clear and efficient.
  • Easy Splicing: The becket pin is removable, simplifying line splicing and installation.
Compatibility & Pairings:

Ideal for mainsheet, halyard, vang, and spinnaker control lines on boats up to 10m (33ft). This block is also suitable for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, and genoa lead pullers on larger vessels.

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Fit & compatibility

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