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 The Harken 7501 Vang-Master 4:1 Double-ended 40 mm Carbo Purchase System is built for double-ended control with pre-measured, spliced lines, providing precise 4:1 purchase for efficient sail handling with VM1, VM2, or VM3 configurations. It includes one double and three single fiddle blocks and 6 mm line. |
$ 321.84
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1-2 weeks delivery time The Harken 7502 Vang-Master 6:1 Single-ended 40 mm Carbo Purchase System offers a 6:1 purchase for powerful, smooth control, with pre-measured, spliced lines selected for optimal performance on VM1, VM2, and VM3 setups. It includes two triple blocks and 6 mm line. |
$ 620.58
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1-2 weeks delivery time The Harken 7503 Vang-Master 6:1 Double-ended 40 mm Carbo Purchase System provides double-ended 6:1 control, featuring pre-measured and spliced lines for smooth sail adjustments on VM1, VM2, or VM3 setups. It includes a triple block, double block, and two single blocks with 6 mm line. |
$ 490.69
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1-2 weeks delivery time The Harken 7504 Vang-Master 4:1 Single-ended 57 mm Carbo Purchase System is designed for VM4, VM5, and VM6 configurations, delivering reliable 4:1 purchase with pre-measured, spliced lines and two fiddle blocks with 8 mm line. |
$ 570.08
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1-2 weeks delivery time The Harken 7505 Vang-Master 4:1 Double-ended 57 mm Carbo Purchase System provides double-ended 4:1 purchase for larger setups, with pre-measured, spliced lines and blocks for smooth and efficient sail handling on VM4, VM5, or VM6 rigs. |
$ 454.61
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1-2 weeks delivery time The Harken 7506 Vang-Master 6:1 Single-ended 57 mm Carbo Purchase System delivers precise sail control with a single-ended 6:1 system, including all necessary components and lines for VM4, VM5, and VM6 applications. |
$ 891.19
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1-2 weeks delivery time The Harken 7507 Vang-Master 6:1 Double-ended 57 mm Carbo Purchase System offers double-ended 6:1 purchase with multiple attachment points, pre-measured and matched lines for seamless installation on VM4, VM5, and VM6 setups. |
$ 635.03
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1-2 weeks delivery time The Harken 7508 Vang-Master 4:1 Single-ended 75 mm Carbo Purchase System is built for smooth handling of larger sails, with pre-spliced lines sized to match included fiddle blocks for VM7 and VM8 applications. |
$ 736.05
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1-2 weeks delivery time The Harken 7509 Vang-Master 4:1 Double-ended 75 mm Carbo Purchase System provides balanced, double-ended 4:1 control, with carefully measured and spliced lines for use with VM7 and VM8 setups. |
$ 469.05
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1-2 weeks delivery time The Harken 7510 Vang-Master 6:1 Single-ended 75 mm Carbo Purchase System allows precise adjustment of larger sails, with pre-matched blocks and spliced lines for straightforward installation on VM7 and VM8 rigs. |
$ 1,367.45
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1-2 weeks delivery time The Harken 7510.10 Unit 0 MKIV Ocean Jib Furling System is designed for cruising sailors seeking durability and effortless sail handling, featuring a free-rolling design, UV-stabilized hardcoat-anodized aluminum construction, and Torlon® ball bearings that reduce friction and require no lubrication. |
$ 3,196.73
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1-2 weeks delivery time The Harken 7510.10 MKIV Ocean Unit 0 Roller Reefing System, Without Line, provides reliable sail handling for boats 6.5 to 9.1 meters in length, designed for precise roller reefing control and delivered without line for custom setup. |
$ 2,864.79
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1-2 weeks delivery time The Harken 7510.30 Unit 0 MKIV Ocean Foil 2.13 m features precision-extruded single-groove foils for smooth furling and unfurling of the headsail, ensuring consistent performance with the MKIV Ocean Unit 0 furling system. |
$ 142.14
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1-2 weeks delivery time The Harken 7510.31 Unit 0 MKIV Ocean Foil Connector Set 153mm offers triple-interlock joints to withstand long-term torque, with adhesive and screws securing the connection for reliable use with the MKIV Ocean Unit 0. |
$ 66.03
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1-2 weeks delivery time The Harken 7511 Vang-Master 6:1 Double-ended 75 mm Carbo Purchase System provides effortless control of sail tension, with pre-measured, professionally spliced lines and included blocks designed for VM7 and VM8 setups. |
$ 1,071.59
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1-2 weeks delivery time The Harken 7511.10 Unit 1 MKIV Ocean Jib Furling System is engineered for strength, durability, and ease of use, allowing furling and reefing from the cockpit with UV-stabilized aluminum construction and Torlon® ball bearings for low-maintenance operation. |
$ 3,918.33
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1-2 weeks delivery time The Harken 7511.10 MKIV Ocean Unit 1 Roller Reefing System, Without Line, ensures long-lasting, effortless sail handling, crafted from hardcoat-anodized aluminum with UV stabilization and multiple ball-bearing rows for smooth furling. |
$ 3,167.87
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1-2 weeks delivery time The Harken 7511.30 Unit 1 MKIV Ocean Foil 2.13 m is a precision-extruded single-groove foil for smooth sail handling and reliable connection to the MKIV Ocean Unit 1, promoting consistent sail shape and low-maintenance performance. |
$ 160.21
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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.
