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 7410.20 7/16 toggle assembly offers reliable connections for various terminals with a reversible design and stainless steel clevis pin, providing convenience and durability for furling systems.
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$ 133.50
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1-2 weeks delivery time The Harken 7410.30 MKIV Racing Unit 0 Foil is crafted from aerodynamic clear-anodized aluminum, designed to handle extreme reefing loads while ensuring strength and efficiency for high-performance sailing.
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$ 157.31
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1-2 weeks delivery time The Harken 7410.30.CLEAR MKIV Racing Foil provides a clear anodized finish for durability and a sleek appearance, optimized for long-lasting performance in demanding sailing conditions.
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$ 157.31
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1-2 weeks delivery time The Harken 7410.31 Unit 0 MKIV Foil Connector Set uses a triple-interlock joint design with adhesive and screws, delivering a secure, long-lasting connection between foil sections under torque loads.
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$ 66.03
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1-2 weeks delivery time The Harken 7410.32 Unit 0 MKIV Bottom Connector with Bushings features triple-interlock joints and a combination of adhesive and screws, ensuring precise alignment and durable performance under torque stress.
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$ 104.27
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1-2 weeks delivery time The Harken 7410.33 MKIV Foil section is a 0.61 m aerodynamic, clear-anodized aluminum component designed for strength and efficient performance under extreme reefing loads.
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$ 202.05
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1-2 weeks delivery time The Harken 7410.33 Lower Profile Black Foil combines durability and a sleek low-profile design, using clear-anodized aluminum to handle heavy reefing loads while maintaining aerodynamic efficiency.
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$ 202.05
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1-2 weeks delivery time The Harken 7411.10 Unit 1 MKIV Jib Furling System is engineered for strength, lightweight performance, and aerodynamic efficiency, offering long-lasting durability and easy installation for precise sailing operations.
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$ 5,044.04
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1-2 weeks delivery time The Harken 7411.10BASE Unit 1 MKIV Lower Unit is made from hardcoat-anodized aluminum for UV resistance and strength, with an enlarged inner spool providing smooth and powerful furling performance.
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$ 1,537.04
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1-2 weeks delivery time The Harken 7411.11 1/2 MKIV Underdeck Furling System places the drum below deck to reduce drag, lower tack height, and maximize sail area, improving efficiency for both racing and cruising.
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$ 9,813.89
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1-2 weeks delivery time The Harken 7411.20 1/2 MKIV Unit 1 Eye and Jaw Reversible Toggle offers reliable installation for fork or tang chainplates, using a single clevis pin for quick turnbuckle adjustments and secure connections.
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$ 157.31
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1-2 weeks delivery time The Harken 7411.30 Unit 1 MKIV Foil is made from aerodynamic clear-anodized aluminum, engineered to handle extreme reefing loads with strength and stability for Unit 1 furling systems.
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$ 183.30
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1-2 weeks delivery time The Harken 7411.30.CLEAR Luff Foil Extension adds a 2.13 m section to Unit 1 underdeck furling systems, using clear-anodized aluminum for aerodynamic efficiency and durability under racing conditions.
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$ 184.74
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1-2 weeks delivery time The Harken 7411.31 Unit 1 MKIV Foil Connector Set provides a secure connection between foil sections with triple-interlock joints, adhesive, and screws to ensure long-term stability under torque loads.
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$ 79.36
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1-2 weeks delivery time The Harken 7411.32 Unit 1 MKIV Bottom Connector with Bushings delivers durable performance with triple-interlock joints, geometric foil alignment, adhesive, and screws for reliable long-term rigging use.
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$ 104.27
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1-2 weeks delivery time The Harken 7411.33 MKIV Unit 1 Foil features aerodynamic, clear-anodized aluminum construction to manage extreme reefing loads efficiently while providing corrosion resistance.
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$ 239.58
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1-2 weeks delivery time The Harken 7411.33 MKIV Unit 1 Foil Black combines aerodynamic efficiency with a black anodized finish, engineered to withstand heavy reefing loads while maintaining a sleek appearance.
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$ 239.58
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1-2 weeks delivery time The Harken 7412.10 Unit 2 MKIV Jib Furling System in black offers a blend of strength, lightweight construction, and aerodynamic efficiency, designed for long-lasting durability and smooth operation, suitable for standard and maximum headstay lengths up to 20.51 m.
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$ 7,778.95
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1-2 weeks delivery time The Harken 7412.11 Unit 2 MKIV Underdeck Furling System is designed for racers and cruisers seeking minimal deck equipment, placing the drum below deck to reduce tack height and increase sail area, compatible with headstays up to 20.51 m.
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$ 13,816.41
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1-2 weeks delivery time The Harken 7412.20 Eye, Jaw Reversible Toggle provides versatility for various turnbuckle types, with a reversible design for fork or tang chainplate setups and a stainless steel clevis pin for easy adjustment, compatible with Unit 2 furling systems.
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$ 220.82
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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.