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 3247 100mm Black Magic 1-Sheave Aluminum Block Swivel with Becket provides durable, twist-free performance for sailors. Its Torlon® roller bearings, separated in a center cage, minimize friction, while the shackle swivels or locks securely. Ideal for demanding sail control systems such as mainsheets and halyards in heavy-load environments. |
$ 1,432.40
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1-2 weeks delivery time The Harken 3248 100mm Black Magic 2-Sheave Aluminum Block Swivel delivers exceptional load capacity for advanced deck systems. Dual sheaves and Torlon® roller bearings within a center cage ensure low-friction line handling, while the shackle can swivel or lock for stability. It’s designed for mainsheet, halyard, and spinnaker control under maximum tension. |
$ 2,338
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1-2 weeks delivery time The Harken 3249 100mm Black Magic Aluminum Footblock provides reliable deck line redirection and temporary sheet locking. Hard Lube-anodized sideplates and sheaves resist UV damage and ensure smooth performance. Torlon® bearings within the center cage minimize friction, while metric and imperial fasteners allow strong, hidden mounting for a clean setup. |
$ 985
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1-2 weeks delivery time The Harken 3250 Black Magic Aluminum 2-Sheave Foot Block is designed for smooth, efficient line redirection on deck, featuring Hard Lube-anodized sideplates and sheaves, Torlon® roller bearings for alignment, and hidden flathead fasteners for a clean finish. |
$ 1,775.15
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1-2 weeks delivery time The Harken 3251 Black Magic Runner Block provides precise mast bend control for offshore yachts, incorporating integrated sideplate bails, recessed cotter key, Hard Lube-anodized aluminum, and Torlon® bearings for minimal friction. |
$ 1,443.23
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1-2 weeks delivery time The Harken 3252 Black Magic Runner Block With Becket offers reliable control for running backstays, with Hard Lube-anodized sideplates and sheaves, Torlon® roller bearings, and recessed fittings for a smooth, snag-free profile. |
$ 1,666.93
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1-2 weeks delivery time The Harken 3253 Black Magic 1-Sheave Aluminum Padeye Block is ideal for masthead applications, providing limited articulation for halyard alignment, Hard Lube-anodized protection, and smooth operation with Torlon® bearings. |
$ 1,212.29
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1-2 weeks delivery time The Harken 3254 Black Magic Aluminum Stand-up Block is engineered for active sail control systems, combining lightweight strength, Hard Lube-anodized surfaces, Torlon® roller bearings, and padeye compatibility for high-performance yachts. |
$ 1,432.40
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1-2 weeks delivery time The Harken 3255 Black Magic Aluminum Loop Block delivers exceptional strength and smooth operation for mainsheet, runner, halyard, and spinnaker systems, featuring a lightweight aluminum build, precision bearings, and a removable deadend post. |
$ 1,544.25
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1-2 weeks delivery time The Harken 3256 Black Magic 1-Sheave Aluminum Block Swivel prevents line twist under heavy loads and ensures durable, free-running operation for mainsheet, halyard, and spinnaker applications. |
$ 1,565.89
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1-2 weeks delivery time The Harken 3257 Black Magic Foot Aluminum Footblock provides durable, low-friction line redirection on deck, with a Hard Lube-anodized finish and secure mounting for professional sailing setups. |
$ 1,338.59
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1-2 weeks delivery time The Harken 3258 Black Magic 2-Sheave Aluminum Footblock ensures smooth line control for deck-mounted systems, featuring a dual-sheave design, Hard Lube-anodized finish, and high load capacity. |
$ 3,074.05
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1-2 weeks delivery time The Harken 3259 Black Magic Runner Block offers offshore mast bend control with integrated sideplate bails, recessed cotter key, and Torlon® bearings for smooth, snag-free operation. |
$ 2,164.83
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1-2 weeks delivery time The Harken 3260 Black Magic Runner Block With Becket is built for high-strength offshore backstay systems, combining a becket design, Hard Lube-anodized finish, and low-friction Torlon® roller bearings. |
$ 2,547.28
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1-2 weeks delivery time The Harken 3261 Black Magic Aluminum Stand-up Block is crafted for demanding sail controls, featuring Hard Lube-anodized components, Torlon® roller bearings, and padeye compatibility for high-performance sailing. |
$ 1,796.81
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1-2 weeks delivery time The Harken 3262 Black Magic 1-Sheave Aluminum Block Swivel offers precision and reliability for heavy-duty sail systems, with Torlon® roller bearings and a shackle system that locks or swivels for versatile line control. |
$ 2,915.29
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1-2 weeks delivery time The Harken 3263 Black Magic Foot Aluminum Block efficiently redirects deck lines under high loads, featuring Hard Lube-anodized construction, Torlon® bearings, hidden fasteners, and a durable mounting design. |
$ 2,554.49
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1-2 weeks delivery time The Harken 3264 Black Magic Runner Block is designed for offshore use, providing smooth mast bend control with recessed cotter key, integrated bails, Hard Lube-anodized sideplates, and frictionless Torlon® bearings. |
$ 3,867.83
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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.
