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 HK344 Carbo Air Triple Block is designed for ropes up to 8mm, offering a 29mm size with a maximum working load of 449 kg and a breaking load of 907 kg. Weighing just 74 grams, this lightweight block features low-friction Carbo Air technology, ensuring reliable and affordable performance for a variety of sailing applications. |
€ 85,09
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK345 Carbo Air Triple Block, featuring a swivel shackle and becket, offers a lightweight, strong, and cost-effective solution for sailing enthusiasts. With a 29 mm sheave, 85 mm length, and weighing only 77 g, this block ensures reliable performance and high working loads, perfect for safe and effortless trimming. |
€ 90,76
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK346 Triple Carbo Air Block with Cam is a lightweight and reliable solution for low-friction control, designed for small dinghies like the Optimist and boats of all sizes. With a 29 mm sheave, 340 kg working load, and 680 kg breaking load, this block ensures safe and efficient trimming while complementing the renowned Harken Black Magic line. |
€ 149,38
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK347 29 mm Triple Block with Becket, Cam Cleat offers a lightweight, strong, and reliable solution for easy trimming. This compact Carbo Air block, ideal for Harken Big Boat systems, features a 29 mm sheave, 408 kg working load, and 816 kg breaking load, all while weighing just 133 g. Perfect for applications requiring high-performance and reliability. |
€ 154,11
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK348 Fixed Single Carbo Air Block is a lightweight, durable solution for efficient sailing. Designed for ropes up to 8mm, this block offers exceptional strength-to-weight performance. With a 29 mm sheave, it reduces friction and ensures safe trimming with a maximum working load of 150 kg and a breaking load of 454 kg, all in a compact design that weighs just 223 g. |
€ 20,56
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK349 Carbo stand-up block, with a 29 mm sheave, is designed for ropes up to 8 mm. This lightweight yet robust block boasts a maximum working load of 150 kg and a remarkable breaking load of 454 kg, while weighing just 31 grams, making it an ideal choice for various applications requiring reliable performance and minimal weight. |
€ 32,15
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK350 Single Cheek Carbo Air Block, featuring a 29 mm sheave, is lightweight, strong, and highly reliable. Constructed with reinforced composite materials and an open-air design, this block is perfect for main, jib, and spinnaker sheets on dinghies, sport boats, and various control lines on boats of all sizes. It offers a high working load for safe and easy trimming and is available in singles, doubles, triples, and more. |
€ 20,33
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK352 Single Fixed Carbo Air Block is a lightweight, reliable, and low-friction block designed for ropes up to 8 mm in diameter. Ideal for safe and efficient trimming, it is a strong and affordable addition to your sailing kit, complementing the Harken Black Magic block line with high working loads. |
€ 27,65
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK353 Carbo Air Double Traveller Block is a lightweight, durable, and versatile block designed for ropes 8 mm. Featuring a reinforced composite construction and open air design, it ensures smooth operation, high working loads, and reliable performance for main, jib, and spinnaker sheets on dinghies and sport-boats. |
€ 42,07
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK371 29mm Carbo Air Clew Block Assembly features reinforced composite construction and an open air block design, ensuring lightweight strength and reliability. With a high working load, it facilitates safe and effortless trimming for main, jib, and spinnaker sheets on various boats. Doubles and triples are equipped with U-locks for versatile positioning, while the 29mm stand-up block can also function as a becket block. |
€ 45,15
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK381 Double Fixed Carbo Air Block is a high-performance block designed for ropes 8 mm in diameter. With a 29 mm sheave diameter, it offers reliable strength, a high working load of 299 kg, and a breaking load of 737 kg. Weighing just 34 grams, this block ensures efficient performance for various marine applications. |
€ 54,13
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK395 29 mm Pivoting Lead Block, designed for lines 6 mm in diameter, features a maximum working load of 91 kg and a breaking load of 295 kg. Weighing only 90.7 grams, it is equipped with the reliable Harken 468 Cam-Matic, ensuring efficient and flexible cleating options for larger keelboats, dinghies, and beachcats. |
€ 95,49
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK396 29 mm Pivoting Lead Block Carbo-Cam Cleat is designed for halyard controls on larger keelboats and as an essential component on dinghies and beachcats. Its reversible cam provides flexible cleating, while compatibility with Classic models allows for easy upgrades. This block can also function as a reliable becket block for added versatility. |
€ 86,51
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2163 40 mm Cheek Block Becket is a lightweight, durable, and versatile accessory designed for sheeting systems on small boats and trimlines on larger vessels. With a safe workload of 220 kg and a breaking strength of 735 kg, this 40 mm block supports a maximum line diameter of 10 mm, ensuring reliable and efficient trimming at just 139 grams. |
€ 49,64
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2636 Single Carbo Air Block 40 mm is a high-performance block designed for ropes up to 10 mm. 60% stronger and 30% lighter than traditional blocks, it’s perfect for high-performance dinghies and small keelboats. Featuring long-glass fiber-reinforced nylon-resin sideplates, smooth operation with high-load ball bearings, and UV protection, it is ideal for mainsheet systems, control lines, vangs, cunninghams, and outhauls. |
€ 45,62
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2637 Carbo Air Block 40 mm with Becket offers superior strength and reduced weight, making it ideal for high-performance dinghies and small keelboats. Its nylon-resin sideplates with long-glass fibers provide durability and strength. With high-load ball bearings, minimal friction is ensured for smooth operation. UV stabilization ensures long-lasting performance. Suitable for various applications such as mainsheets, control lines, vangs, and outhauls. |
€ 53,18
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2644 40 mm Carbo cheek block is a versatile and lightweight solution for both small boats and larger vessels. It accommodates a maximum line diameter of 10 mm and offers a safe workload of 220 kg with a breaking strength of 735 kg. Weighing just 34 grams, this block combines strength with maneuverability, ensuring reliable performance in demanding conditions. |
€ 44,20
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2645 Single Carbo Air Block, with a 40 mm diameter and cam, is perfect for small boat sheeting systems and larger boat trim lines. It accommodates ropes up to 6 mm, with a safe workload of 68 kg and a breaking strength of 136 kg. Weighing just 119 grams, this block combines durability with a lightweight design for reliable performance. |
€ 149,38
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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.
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.