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Official Ronstan Series 40 All Purpose Block - Single Cheek [rf41811] Deal Alert: 75% Off [hG6sixrn]

$29.99 $95.99 -69%

Ronstan Series 40 All Purpose Block - Single Cheek The Ronstan Series 40 All Purpose Block - Single Cheek is a versatile and reliable piece of sailing equipment designed for both cruising and racing applications. Engineered for exceptional performanc

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Official Ronstan Series 40 All Purpose Block - Single Cheek [rf41811] Deal Alert: 75% Off [hG6sixrn]

Ronstan Series 40 All Purpose Block - Single Cheek

The Ronstan Series 40 All Purpose Block - Single Cheek is a versatile and reliable piece of sailing equipment designed for both cruising and racing applications. Engineered for exceptional performance, this block boasts high working loads and a self-lubricating sheave, ensuring low maintenance and a long service life. Its robust construction and innovative design make it an ideal choice for handling sheets, halyards, and control lines.

Product Specifications and Features

Crafted with precision, the Series 40 All Purpose Block features U.V. stabilised Acetal sheaves that run on polished stainless steel races, providing superior performance with both dynamic and high static loads. The self-lubricating sheaves are a standout feature, eliminating the need for regular maintenance and ensuring smooth operation. Key benefits include:

  • Exceptionally high working loads for added strength and reliability
  • Low maintenance design for ease of use and long-term durability
  • Self-lubricating sheaves for reduced friction and extended lifespan

Applications and Benefits

This versatile block is suitable for a wide range of sailing applications, including mainsheet, halyard, vang, and spinnaker control lines on catamarans, one design classes, and sportsboats up to 8m (26ft). Its stackable design allows for easy conversion to a double version, enhancing its functionality and adaptability. The Series 40 All Purpose Block is also compatible with Ronstan Series 40 deck organizers, providing a seamless integration into your boat's setup. Its robust materials, including U.V. resistant fiber reinforced Nylon cheeks and Grade 316 stainless steel bearing races, ensure it can withstand the rigors of sailing, making it a perfect choice for both casual sailors and competitive racers.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

Flawless execution of a great idea.

- Corey G..

January 27, 2026

Absolutely no complaints!

A very powerful tool.

- Alan H..

January 27, 2026

Absolutely no complaints!

This is a great buy. I love it.

- Liza Z..

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