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 HK6091 57 mm Aluminium ESP Footblock is a versatile cruising block that features a simple design with sleeve bearings to handle high static loads. Ideal for halyards or limited purchase systems on cruising boats, it has a 57 mm sheave diameter, a maximum line diameter of 16 mm, and a maximum working load of 1000 kg, ensuring reliable performance. |
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK6095 57 mm Aluminium Low-Load Mast Collar ESP Block with 6 mm Clevis is a functional cruising block designed for halyards or limited purchase systems on cruising boats. It features sleeve bearings for high static loads and a maximum working load of 748 kg, making it reliable for various applications. The block has a 57 mm sheave diameter and can accommodate a maximum line diameter of 16 mm. |
€ 99,27
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK6096 57 mm Aluminium Narrow Mast Collar ESP Block with 6 mm Clevis combines sleek design and functionality. It is ideal for halyards or limited purchase systems on cruising boats, equipped with sleeve bearings for handling high static loads. With a maximum line diameter of 10 mm and a maximum working load of 748 kg, this block ensures reliable performance in demanding conditions. |
€ 100,22
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK6097 57 mm Aluminium Narrow Mast Collar ESP Block with 8 mm Clevis is a versatile cruising block offering a simple design and robust functionality. Equipped with sleeve bearings, it handles high static loads, making it ideal for halyards or limited purchase systems on cruising boats. With a maximum line diameter of 10 mm and a maximum working load of 748 kg, this block is built for demanding conditions. |
€ 96,44
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK6056 ESP Block 75 mm Aluminium Mast Collar is a sleek, functional cruising block designed for high-performance applications. It features sleeve bearings to handle high static loads, making it ideal for halyards or limited purchase systems. With a 75 mm sheave diameter, it accommodates up to 19 mm lines and has a maximum working load of 1361 kg. |
€ 145,60
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK6057 75 mm Aluminium Padeye ESP Block is a sleek, functional block designed for cruising boats. Featuring sleeve bearings for handling high static loads, it’s perfect for halyards or limited purchase systems. With a 75 mm sheave diameter, it accommodates lines up to 19 mm in diameter and has a maximum working load of 1587 kg. |
€ 156
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK6078 75 mm Aluminium ESP Footblock with Lockoff is a versatile and durable footblock designed for cruising boats. Featuring sleeve bearings to handle high static loads, it is ideal for halyards or limited purchase systems. With a 75 mm sheave diameter, it accommodates lines up to 19 mm and has a maximum working load of 1587 kg. |
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK6092 75 mm Aluminium ESP Footblock is a high-performance block designed for cruising boats. With a sleek design and 75 mm sheave diameter, it can accommodate lines up to 19 mm and handles a maximum working load of 1587 kg, ensuring reliable performance during your sailing adventures. |
€ 189,09
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK6098 75 mm Aluminium Narrow Mast Collar ESP Block is a sleek and functional cruising block designed for halyards or limited purchase systems on cruising boats. It features sleeve bearings for handling high static loads, with a maximum line diameter of 12 mm and a maximum working load of 1134 kg. |
€ 139,93
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK6093 100 mm Aluminium ESP Footblock is a high-quality sailing accessory designed for cruising boats. With sleeve bearings to handle high static loads, it is perfect for halyards or limited purchase systems. It accommodates lines up to 19 mm in diameter and supports a maximum working load of 3402 kg. |
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK368 16 mm In-Line Exit Block is a lightweight "Through Deck" block designed for small boat applications. It features two 16 mm sheaves and can accommodate lines up to 5 mm in diameter. With a maximum working load of 113 kg and a breaking load of 544 kg, it is built for reliable performance in various sailing conditions. |
€ 78,47
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK376 16 mm Forkhead Block is a compact and lightweight block designed for versatile applications. With a 16 mm sheave diameter, it can accommodate lines up to 5 mm in diameter and supports a maximum working load of 113 kg, providing reliable strength and performance. |
€ 29,55
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK391 16 mm Hook-In Halyard Block is a high-performance block designed for halyard applications. It features a 16 mm sheave diameter, can accommodate lines up to 5 mm in diameter, and offers a maximum working load of 113 kg. Equipped with ball bearings, it ensures smooth and efficient operation. |
€ 41,13
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK404 16 mm Block is the smallest block offered by Harken, designed for small synthetic control lines on high-tech dinghies. Featuring a patented bearing system with stainless steel balls, it ensures smooth operation and includes an O-ring to secure the line in the sheave. With a maximum working load of 113 kg, it provides reliable performance for demanding applications. |
€ 20,56
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK405 16 mm Block with Becket is a compact and efficient racing block designed for small sailboats and boats up to 30 feet. With a maximum working load of 113 kg, it handles control lines up to 5 mm in diameter. Weighing just 12 grams, it is built for lightweight performance, featuring a stainless steel ball bearing system and a high breaking load of 544 kg. |
€ 23,64
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK406 16 mm Double Airblock is a compact and lightweight block designed for small synthetic control lines on high-tech dinghies. With a maximum working load of 204 kg and a breaking load of 544 kg, it ensures reliable performance. Featuring a patented bearing system and an O-ring for secure line handling, this block accommodates lines up to 5 mm in diameter. |
€ 42,55
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK407 Double Block with Ring and Becket is designed for high-performance water sports, including dinghies, windsurfing, and kite surfing. Featuring free-running Delrin ball bearings and stainless steel side plates, it ensures smooth operation under demanding conditions. With a maximum working load of 204 kg and a breaking load of 544 kg, this block is built to handle tough tasks. |
€ 46,80
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK408 16 mm Triple Block is designed for high-performance applications like dinghies, windsurfing, and kite surfing. Featuring Delrin ball bearings sheaves and stainless steel side plates, it ensures smooth control and durability. With a working load of 318 kg and a breaking load of 544 kg, it is built to perform under demanding conditions. |
€ 60,27
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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.