Harken Blocks are essential components for sailboats, designed to handle loaded control lines with efficiency and precision. These boat blocks, including small boat blocks and ratchet blocks, come in various configurations to suit different sailing nee
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1-2 weeks delivery time The Harken 7512.10 MKIV Ocean Unit 2 Roller Reefing System, Without Line, offers effortless and safe sail control for cruising sailors, with durable anodized aluminum construction, UV stabilization, and Torlon® ball bearings for low-maintenance, smooth furling and reefing.
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$ 5,578.03
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1-2 weeks delivery time The Harken 7512.30 Unit 2 MKIV Ocean Foil 2.13 m is a precision-extruded single-groove foil designed for smooth and efficient sail handling, compatible with MKIV Ocean Unit 2 systems.
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$ 210.71
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1-2 weeks delivery time The Harken 7512.31 Unit 2 MKIV Ocean Foil Connector Set 216mm ensures secure attachment of foils with a triple-interlock design, adhesive injection, and screws for stable, long-lasting performance in MKIV Ocean Unit 2 furling systems.
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$ 75.40
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1-2 weeks delivery time The Harken 7513.10 Unit 3 MKIV Ocean Jib Furling System, Without Line, offers a strong, easy-to-use solution for cockpit furling and reefing, combining free-rolling furlers, anodized aluminum construction, and Torlon® ball bearings to maintain excellent sail shape.
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$ 9,328.95
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1-2 weeks delivery time The Harken 7513.20 1 MKIV Unit 3 Jaw, Jaw Toggle 25.4mm Pin allows easy rotation and secure attachment to fork or tang chainplates, designed for the MKIV Ocean Unit 2 furling system.
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$ 1,529.80
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1-2 weeks delivery time The Harken 7513.20 1 1/8 MKIV Unit 3 Jaw, Jaw Toggle 28.6mm Pin provides effortless connection to fork or tang chainplates with a flip-style design for MKIV Ocean Unit 2 furling systems.
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$ 1,609.19
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1-2 weeks delivery time The Harken 7513.21 1 MKIV Unit 3 Link Plate Toggle 25.4mm Pin features durable stainless steel link plates that elevate the drum, fit over turnbuckles, resist scratches, and maintain a polished finish for MKIV Ocean Unit 2 furling units.
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$ 4,914.16
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1-2 weeks delivery time The Harken 7513.21 1 1/8 MKIV Unit 3 Link Plate Toggle 28.6mm Pin is a high-quality stainless steel link plate that lifts the drum, slides over turnbuckles, resists surface damage, and remains easy to repolish for long-term use with MKIV Ocean Unit 2 furling systems.
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$ 4,993.53
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1-2 weeks delivery time The Harken 7513.30 MKIV Ocean Unit 3 MKIV Ocean Foil 2.13 m is a precision single-groove foil designed for smooth sail handling, optimizing performance for the MKIV Ocean Unit 3 furling system.
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$ 267.85
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1-2 weeks delivery time The Harken 7513.31 MKIV Ocean Unit 3 MKIV Ocean Foil Connector Set 254mm ensures secure attachment under repeated torque, using a triple-interlock system, adhesive injection, and screws for reliable performance in MKIV Ocean Unit 3 applications.
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$ 119.31
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1-2 weeks delivery time The Harken 752 32mm High-Load Car Coupler is engineered for heavy-duty assemblies, joining two cars with robust construction and supporting extreme working loads for single-point attachments.
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$ 1,215.91
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1-2 weeks delivery time The Harken 754 76mm High-Load Sheave efficiently handles radial loads with sideload-carrying balls and a PTFE composite bushing, providing durability and high load capacity for demanding applications.
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$ 340.59
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1-2 weeks delivery time The Harken 782 Big Boat Spinnaker Pole Car (Bell End) supports large spinnakers up to 2000 sq. ft., offering smooth operation along R32 tracks and handling significant working loads safely.
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$ 1,205.09
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1-2 weeks delivery time The Harken 784 Big Boat Spinnaker Pole Car (Forespar Toggle) is designed for large sails up to 2000 sq. ft., providing secure toggle-end attachment and balancing low weight with high working load capacity on R32 tracks.
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$ 1,230.35
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1-2 weeks delivery time The Harken 8825 Bosun's Chair Carrying Bag is made from black polyester mesh and is designed for easy transport and storage, keeping the Bosun’s Chair neatly packed. It features a zippered opening for quick access, a carrying handle for convenience, and a clear front pocket for the user manual, measuring 16” by 23” and made in the USA.
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$ 63.14
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1-2 weeks delivery time The Harken 884 Head & Tack Snap Shackle supports a maximum working load of 680 kg (1500 lb) and is engineered to simplify sail changes. Lightweight at 65 g (2.3 oz), it works with prefeeders for fast handling and is compatible with 00AL and MKIV 0/1 setups.
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$ 210.71
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1-2 weeks delivery time The Harken 885 Head & Tack Snap Shackle is built for heavier sail applications, handling a maximum working load of 1040 kg (2300 lb). Weighing 141 g (5 oz), it pairs with prefeeders for efficient sail changes and is compatible with MKIV 2, offering durability and safety under higher loads.
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$ 245.35
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1-2 weeks delivery time The Harken 9000 deck organizer is designed to efficiently guide halyards and control lines aft, keeping the crew safely in the cockpit, featuring a durable injection-molded composite top plate and asymmetrical glass-filled nylon sheaves with flared bases and precision bearings to reduce friction, and can be stacked for versatile configurations.
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$ 73.97
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1-2 weeks delivery time The Harken 9001 adds a third sheave to channel lines aft for safe cockpit operation, utilizing an injection-molded composite top plate, flared asymmetrical glass-filled nylon sheaves, and a low-friction bearing system, with a stackable design for customizable setups.
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$ 97.78
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1-2 weeks delivery time The Harken 9002 features four sheaves for managing multiple lines efficiently while protecting the crew, with a robust composite top plate and flared glass-filled nylon sheaves that reduce friction, and offers stackable configuration options for flexible sailing setups.
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$ 123.39
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What are the key features of a Harken Element Block and how is it used in sailing?
Harken Element Blocks are designed with durability and performance in mind, featuring a combination of aluminum side plates and composite sheaves. These blocks are ideal for a variety of sailing applications, from halyards to control lines. Their bearing system ensures smooth operation under both high and low loads, making them suitable for fast trim and release. Available in various configurations such as single block, fiddle block, and snatch block, they cater to the diverse needs of sailors.
The 16mm Micro Block is perfect for light load applications on small sailboats, while the 75mm Carbo Block is better suited for handling larger loads on bigger boats. Harken’s selection of blocks, including the Element Fiddle and Carbo Fiddle Block, are considered some of the best in the industry, providing reliable performance for both cruising and racing scenarios.
How does a fiddle block differ from a single block in terms of functionality
A fiddle block differs from a single block in that it has two sheaves, allowing it to manage more complex rigging setups and offer greater mechanical advantage. This makes it ideal for applications where precise trimming and efficient release under high or low loads are required. Fiddle blocks, like the 16 mm and bullet blocks in Harken's selection of sailboat blocks, are essential for leading control lines aft and ensuring smooth operation in various sailing conditions.
How does a micro block differ from a standard block in terms of usage on a sailboat?
A micro block differs from a standard block in terms of size and weight, making it ideal for applications where space and weight savings are crucial. Classic blocks, such as those in the selection of Harken blocks, include micro blocks designed for smooth and efficient trim and release under high loads. These compact blocks, like the triple carbo, are made with high-quality materials to ensure durability and performance, making them some of the best blocks available in Harken hardware.