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Satisfaction Guaranteed Harken 40mm Carbo Air Double Swivel Block W/becket [2639] With A 70% Price Cut [FanEQGI3]

$30.99 $99.99 -69%

Harken 40mm Carbo Air Double Swivel Block The Satisfaction Guaranteed Harken 40mm Carbo Air Double Swivel Block W/becket [2639] With A 70% Price Cut [FanEQGI3] is a compact, yet powerful piece of sailing equipment designed for performance and reliability. This innovative block is a perfect companion to th

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Satisfaction Guaranteed Harken 40mm Carbo Air Double Swivel Block W/becket [2639] With A 70% Price Cut [FanEQGI3]

Harken 40mm Carbo Air Double Swivel Block

The Satisfaction Guaranteed Harken 40mm Carbo Air Double Swivel Block W/becket [2639] With A 70% Price Cut [FanEQGI3] is a compact, yet powerful piece of sailing equipment designed for performance and reliability. This innovative block is a perfect companion to the popular Harken Black Magic block line, offering high working loads for safe and effortless trimming. Engineered with the latest in carbon technology, the Carbo Air blocks are not only lightweight but also strong and durable, making them an affordable yet premium choice for sailors seeking top-notch performance.

Key Features and Specifications

The 40mm Carbo Air Double Swivel Block is a testament to Harken's commitment to quality and innovation. With a sheave diameter of 40mm (1 9/16 in), it efficiently handles lines up to 10mm (3/8 in) in diameter. The maximum working load of 440 kg (970 lb) ensures that it can withstand the rigors of intense sailing conditions. Its low-friction design minimizes wear and tear, providing smooth operation and prolonged lifespan. Below are some of the key specifications:

  • Sheave Diameter: 40 mm (1 9/16 in)
  • Maximum Line Diameter: 10 mm (3/8 in)
  • Maximum Working Load: 440 kg (970 lb)

Practical Applications and Benefits

Whether you're a recreational sailor or a competitive racer, the Harken 40mm Carbo Air Double Swivel Block is an essential tool for optimizing your boat's performance. Its compact size and high working load make it ideal for a wide range of applications, from adjusting sails to rigging control lines. The block's double swivel feature reduces line twist, enhancing the efficiency of your rig and improving handling. With the Harken 40mm Carbo Air Double Swivel Block, you can expect:

  • Enhanced Performance: Experience smoother sailing and better control over your rig.
  • Longevity: The durable construction ensures years of reliable service.

What Our Customers Say

January 19, 2026

Absolutely no complaints!

A great product that is so very, very easy to use.

- Rhun K..

January 19, 2026

Absolutely no complaints!

This is a very good and a very, very solid item.

- Elis H..

January 19, 2026

Absolutely no complaints!

A magnificent item that I’m so very happy to own.

- Roland R..

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