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 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 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.
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$ 160.21
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1-2 weeks delivery time The Harken 7511.31 Unit 1 MKIV Ocean Foil Connector Set 178mm provides robust triple-interlock joints with adhesive and screw locking, designed for long-term durability and stable connection with the MKIV Ocean Unit 1.
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$ 66.74
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1-2 weeks delivery time The Harken 7512.10 Unit 2 MKIV Ocean Jib Furling System provides cruisers with a reliable way to handle headsails from the cockpit, featuring hardcoat-anodized aluminum, UV protection, and Torlon® ball bearings for smooth, low-friction operation.
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$ 5,909.98
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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.