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Heavy-duty Harken 40mm Carbo Air Double Swivel Block W/becket [2639] Up To 65% Off [zg25FLa0]

$30.99 $99.99 -69%

Harken 40mm Carbo Air Double Swivel Block The Heavy-duty Harken 40mm Carbo Air Double Swivel Block W/becket [2639] Up To 65% Off [zg25FLa0] is a top-tier sailing accessory designed for both performance and affordability. This compact block is a companion to the renowned Harken Black Ma

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Heavy-duty Harken 40mm Carbo Air Double Swivel Block W/becket [2639] Up To 65% Off [zg25FLa0]

Harken 40mm Carbo Air Double Swivel Block

The Heavy-duty Harken 40mm Carbo Air Double Swivel Block W/becket [2639] Up To 65% Off [zg25FLa0] is a top-tier sailing accessory designed for both performance and affordability. This compact block is a companion to the renowned Harken Black Magic block line, offering a smaller size with the same high-quality engineering. Engineered for safety and ease of use, this double swivel block is perfect for trimming sails efficiently.

Key Features:

  • Lightweight and strong construction for optimal performance.
  • High working loads ensure safe trimming even under heavy conditions.
The Carbo Air blocks are crafted from advanced materials, making them not only lightweight but also durable. With a maximum working load of 440 kg (970 lb), this block is built to withstand the demands of intense sailing.

Product Specifications

The Harken 40mm Carbo Air Double Swivel Block is equipped with a 40mm (1 9/16 in) sheave diameter, allowing it to handle lines up to 10 mm (3/8 in) in thickness. This versatile block is ideal for a wide range of sailing applications, from dinghies to larger boats. The specifications are as follows:

  • Sheave Ø (mm): 40 mm
  • Sheave Ø (in): 1 9/16 in
  • Maximum line Ø (mm): 10 mm
  • Maximum line Ø (in): 3/8 in
  • Maximum working load (kg): 440 kg
  • Maximum working load (lb): 970 lb
This block is an essential tool for any sailor looking to enhance their rigging setup. Its combination of strength, reliability, and affordability makes it a standout choice in the Harken lineup.

What Our Customers Say

January 24, 2026

Absolutely no complaints!

An excellent gadget with very, very great features.

- Kenneth H..

January 24, 2026

Absolutely no complaints!

This is a great quality and a very useful item.

- Sonja U..

January 24, 2026

Absolutely no complaints!

A fantastic item with a truly great design.

- Camila E..

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