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 7412.30 MKIV Racing Unit 2 Foil in black offers aerodynamic precision and structural strength for racing yachts, suitable for boats between 10.3 and 14.2 meters.
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$ 236.69
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1-2 weeks delivery time The Harken 7412.30.CLEAR MKIV Racing Unit 2 Foil delivers the same performance as the black version with a clear anodized finish, ideal for durability and clean aesthetics on furling systems.
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$ 238.12
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1-2 weeks delivery time The Harken 7412.31 MKIV Racing Unit 2 Coupling Piece ensures secure alignment between foil sections, providing reliable structural integrity for boats from 10.3 to 14.2 meters.
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$ 88.39
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1-2 weeks delivery time The Harken 7412.32 MKIV Bottom Connector with Bushings features a triple-interlock foil joint system with geometric interlocking and adhesive bonding for long-term stability under heavy torque loads, designed for Unit 2 furling systems.
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$ 154.42
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1-2 weeks delivery time The Harken 7412.33 Unit 2 MKIV Foil 0.61 m is a clear-anodized aluminum air foil engineered for extreme reefing loads, offering smooth operation and enhanced sail shape control, compatible with the 7412.10 furling unit.
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$ 310.30
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1-2 weeks delivery time The Harken 7412.33 MKIV Unit 2 Foil in black provides precision and strength for smooth operation under demanding conditions, designed for a variety of sailing setups.
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$ 310.30
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1-2 weeks delivery time The Harken 7413.10 Unit 3 MKIV Jib Furling System combines strong, lightweight, and aerodynamic performance with reliability and ease of installation, supporting headstays up to 24.89 m.
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$ 14,917.09
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1-2 weeks delivery time The Harken 7413.11 3/4 MKIV Unit 3 Underdeck Furling System places the drum below deck for reduced tack height and maximized sail area, engineered for aerodynamic efficiency in racing and cruising.
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$ 21,344.23
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1-2 weeks delivery time The Harken 7413.11 7/8 MKIV Unit 3 Underdeck Furling System offers high-performance cruising or racing solutions with the drum under deck, optimizing sail area and minimizing deck clutter.
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$ 22,891.35
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1-2 weeks delivery time The Harken 7413.15 MKIV Unit 3H Hydraulic Furling System provides effortless sail handling through hydraulic control for underdeck furling setups.
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$ 42,064.96
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1-2 weeks delivery time The Harken 7413.20 3/4 MKIV Unit 3 Jaw, Jaw Toggle accepts standard turnbuckles and features a flipping toggle for fork or tang chainplate installation, with a stainless steel clevis pin for easy adjustment.
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$ 885.17
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1-2 weeks delivery time The Harken 7413.20 7/8 MKIV Unit 3 Jaw, Jaw Toggle functions like the 3/4 toggle, accommodating standard turnbuckles and providing easy installation with a stainless steel clevis pin, compatible with Unit 3 furling systems.
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$ 1,042.97
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1-2 weeks delivery time The Harken 7413.30.CLEAR MKIV Racing Unit 3 Foil Clear offers high-performance sailing components with optimal efficiency and durability, designed for precision in racing conditions.
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$ 349.45
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1-2 weeks delivery time The Harken 7413.31 MKIV Unit 3 Coupling Piece ensures a secure connection between foil components, maintaining smooth operation under demanding loads for the MKIV Unit 3 system.
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$ 143.16
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1-2 weeks delivery time The Harken 7413.32 Unit 3 MKIV Bottom Connector with Bushings provides stability and enhanced alignment for the foil system, ensuring long-lasting performance for Unit 3 furling units.
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$ 289.41
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1-2 weeks delivery time The Harken 7413.33 Unit 3 MKIV Foil delivers smooth and responsive sailing characteristics with durability, integrating seamlessly into the MKIV system for maximum control.
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$ 677.36
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1-2 weeks delivery time The Harken 7413.33 Unit 3 MKIV Foil 0.61 m Black combines aerodynamic precision with durable aluminum construction, efficiently managing extreme reefing loads for smooth sail handling, compatible with the 7413.10 furling unit.
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$ 677.36
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1-2 weeks delivery time The Harken 7430 Powered Furling Manual Crank Handle offers effortless control with a cordless drill adapter and short crank handle, enabling flexible operation of electric or hydraulic furling systems.
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$ 142.14
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1-2 weeks delivery time The Harken 7431 Powered Furling Drill Adapter is designed for use with Harken’s electric or hydraulic furling systems, allowing precise control of the foil via a cordless drill or the included emergency handle. It is compact, lightweight, and ensures smooth operation, measuring 1 7/8 inches in length, 1 inch in width, and weighing 71 grams.
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$ 72.53
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1-2 weeks delivery time The Harken 7500 Vang-Master 4:1 Single-ended 40 mm Carbo Purchase System comes pre-measured and spliced with selected line for optimal performance, offering a smooth 4:1 purchase for efficient sail adjustments with VM1, VM2, or VM3 setups. It includes two fiddle blocks and 6 mm line.
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$ 375.24
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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.