Harken Inc. is a globally renowned company specializing in high-performance sailing hardware and accessories, making it a staple in the world of yachting and boating. Established in 1967 by brothers Peter and Olaf Harken, the company has grown from a small garage operation in Wisconsin, USA, to an international powerhouse with facilities and offices in the United States, Italy, and the United Kingdom. Harken’s commitment to innovation and quality has earned it a reputation for producing some of the most reliable and efficient sailing equipment available on the market.

Harken's product range includes a wide array of items designed to enhance the performance and safety of any sailing vessel. From winches and Harken blocks to travelers, furling systems, and more, Harken products are crafted with meticulous attention to detail and are trusted by professional sailors and boating enthusiasts alike. The company’s dedication to using the finest materials and cutting-edge technology ensures that their products not only meet but often exceed industry standards, providing sailors with the confidence and reliability they need while out on the water.
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2606 Cheek Carbo Air Block is a lightweight, strong, and affordable block designed for 10 mm ropes. With a 57 mm sheave diameter and a maximum working load of 359 kg, it ensures smooth operation and reliable performance in various sailing applications. |
€ 61,22
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2615 Carbo Air Block with Cam is a lightweight, high-performance block designed for ropes up to 10 mm. Featuring UV-stabilized sideplates and a patented switch for maximum protection and flexibility, this block ensures easy and safe trimming in various sailing applications. |
€ 189,09
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2616 Carbo Air Block with Cam and Becket is a compact, lightweight, and high-performance block designed for ropes up to 10 mm. Offering high working loads, it ensures safe and easy trimming in various sailing applications. |
€ 200,44
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2660 Single Carbo Air Block combines lightweight design with outstanding strength. It is 60% stronger and 30% lighter than the classic Harken block, making it ideal for high-performance mainsheet systems on sport boats. |
€ 119,13
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2661 Carbo Air Block with Becket combines reliability and performance for ropes with a 14 mm diameter. This lightweight block offers high working loads and is part of the renowned Harken Black Magic block line. |
€ 135,20
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2666 Carbo Air Block with Cam offers superior strength and performance for ropes up to 14 mm. With a 75 mm sheave diameter and flexible Cam-Lock or U-Lock systems, this lightweight block is perfect for various sailing applications. |
€ 300,18
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2667 Carbo Air Block is designed for big boats, offering reliability and durability for sheeting and trim lines. It accommodates ropes up to 12 mm in diameter and provides excellent performance with a maximum working load of 272 kg. |
€ 314,36
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2602 Double Carbo Air Block combines strength, reliability, and affordability. With a compact design, it supports high working loads, making it ideal for safe and efficient trimming in various applications. |
€ 141,82
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2603 Carbo Air Double Block 57 mm with Becket for Rope 10 mm is a lightweight, strong, reliable, and affordable block. A part of the popular Harken Black Magic block line, it offers high working loads for safe and easy trimming. With a sheave diameter of 57 mm, it accommodates ropes up to 10 mm in diameter and provides a maximum working load of 720 kg. Its durable construction, compact design, and excellent performance make it an ideal choice for a variety of sailing and rigging applications. |
€ 154,11
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2604 Triple Carbo Air Block 57 mm for Rope 10 mm is a high-quality, lightweight block designed for mainsheets and jib sheets. It accommodates ropes up to 10 mm in diameter and has a working load of 1080 kg. With a breaking strength of 2270 kg, this block provides exceptional reliability and durability for demanding sailing applications. Weighing just 255 grams, it ensures smooth and efficient performance without compromising strength. |
€ 198,55
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2605 Triple 57 mm Carbo Block with Becket is a lightweight and versatile block, ideal for a variety of rigging applications. It accommodates lines up to 10 mm in diameter and has a safe working load of 1080 kg, with a breaking strength of 2270 kg. Weighing only 264 grams, it is perfect for mainsheets and jib sheets, offering durability and reliable performance for demanding sailing conditions. |
€ 210,84
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2617 Carbo Triple Air Block 57 mm with Cam for Rope 10 mm is a lightweight and reliable block designed for high performance in a variety of sailing applications. With a 57 mm sheave diameter and a maximum line diameter of 10 mm, it is capable of handling a maximum working load of 680 kg. Known for its low-friction design and compact structure, this block is ideal for efficient trimming and line management. |
€ 302,55
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2618 Carbo Triple Air Block 57 mm with Cam and Becket is a lightweight and versatile block, ideal for ropes up to 10 mm in diameter. Weighing 442 grams, it is perfect for mainsheets and trimlines. This block offers a maximum working load of 816 kg and a breaking strength of 2040 kg, ensuring durability and reliable performance in demanding applications. |
€ 314,36
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2631 Carbo Air Quad Block is a lightweight and efficient 57 mm block, designed for ropes up to 10 mm in diameter. Ideal for sheeting systems and downhauls, it offers a maximum working load of 1080 kg and a breaking strength of 2270 kg, ensuring reliable performance and durability in various applications. |
€ 252,91
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2662 Carbo Air Block 75 mm Double is a high-performance block designed for use on big boats. Ideal for sheeting systems and trim lines, it accommodates ropes up to 14 mm in diameter. Weighing 402 grams, this block offers a maximum working load of 1100 kg and a breaking strength of 2722 kg, ensuring reliable performance even under demanding conditions. |
€ 234,47
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2663 Carbo Air Block 75 mm Double with Becket is a versatile, high-performance block designed for big boats. With a weight of 419 grams, it handles ropes up to 14 mm in diameter. Featuring a maximum working load of 1100 kg and a breaking strength of 2722 kg, it ensures reliable performance for sheeting systems and trim lines. |
€ 250,55
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2664 Triple Carbo Air Block 75 mm is a high-performance block designed for big boats. Weighing 580 grams, it is perfect for sheeting systems and trim lines, accommodating ropes up to 14 mm in diameter. With a maximum working load of 1650 kg and a breaking strength of 4535 kg, it ensures reliable and durable performance. |
€ 335,64
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2665 75mm Triple Carbo Block with Becket is a high-performance block designed for large boats. It is ideal for sheeting systems and trim lines, handling ropes up to 14 mm in diameter. Weighing 599 grams, it offers a maximum working load of 1650 kg and a breaking strength of 4535 kg for reliable performance. |
€ 352,18
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What are the key features of Harken Marine element blocks, such as the 60 mm and 80 mm sizes, and how do they contribute to efficient sail handling?
Harken element blocks, such as the 60 mm and 80 mm sizes, are designed for high strength and low weight, making them essential for efficient sail handling on a wide range of sailboats. These blocks feature advanced materials and Harken's precise engineering, ensuring smooth operation and durability in demanding conditions. As a leading manufacturer and marketer of quality marine hardware, Harken offers these blocks as part of their extensive selection of sailboat hardware and accessories, all available through our online store.
For additional versatility and effective rope handling solutions, complement your sailing gear with the high-performance Ronstan 40mm Block, designed to deliver optimal control and efficiency on the water.
What are the advantages of using a Harken furling system on a sailboat, and how does it improve sail management?
Using a Harken furling system on a sailboat offers significant advantages by making sail management more efficient and safer, especially in challenging ocean conditions. The Harken MkIV Ocean furling unit*allows for smooth and controlled deployment and reefing of the headsail, optimizing performance and reducing the physical effort required. Harken sailing gear is known for its durability and precision, making it a trusted choice among sailors to enhance their sailing gear and sailboat hardware setup.
Explore more precision-driven solutions in our full lineup of Harken Winch systems.
What role does a Harken cam cleat play in sail control, and why is it essential for precise reef and sheet adjustments?
A Harken cam cleat plays a crucial role in sail control by securely holding the mainsail and sheet lines in place, allowing for quick and precise adjustments. This is essential for making fine-tuned reef and sheet changes, especially in dynamic conditions, ensuring optimal sail trim and performance. Harken, a leading manufacturer of quality marine and sailboat hardware, offers a wide selection of cam cleats designed to meet the needs of both small boats and larger vessels, making them an indispensable part of any Harken sailboat rigging system.