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 3390 45mm Black Magic 2-Sheave Aluminum Loop Block provides smooth, reliable operation for mainsheet, halyard, and spinnaker systems, featuring Torlon® bearings and multiple attachment options, supporting lines up to 10 mm.
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$ 526.76
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1-2 weeks delivery time The Harken 3391 45mm Black Magic 1-Sheave Swivel Block offers low-friction operation with a swivel function to prevent line twisting, suitable for mainsheet, runner, halyard, and spinnaker lines up to 10 mm and a maximum working load of 750 kg.
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$ 337.72
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1-2 weeks delivery time The Harken 3392 45mm Black Magic 1-Sheave Swivel Block with Becket adds rigging versatility and consistent low-friction performance, featuring a swivel and becket for lines up to 10 mm and a working load of 750 kg.
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$ 440.19
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1-2 weeks delivery time The Harken 3393 45mm Black Magic 2-Sheave Swivel Block distributes load efficiently with dual sheaves and a swivel head, providing low-friction, high-capacity performance for lines up to 10 mm and a working load of 1100 kg.
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$ 635.03
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1-2 weeks delivery time The Harken 3394 45mm Black Magic 2-Sheave Swivel Block with Becket offers enhanced load distribution and rigging flexibility with a swivel and becket, delivering smooth, strong operation for lines up to 10 mm and a working load of 1100 kg.
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$ 725.21
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1-2 weeks delivery time The Harken 3395 45mm Black Magic Aluminum Stand-up Block delivers high-load performance with Hard Lube-anodized sideplates and Torlon® bearings, ensuring smooth operation for lines up to 10 mm and a working load of 750 kg.
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$ 562.85
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1-2 weeks delivery time The Harken 3396 45mm Black Magic Runner Block is designed for adjusting mast bend via running backstays, featuring Hard Lube-anodized sheaves and aligned Torlon® bearings for smooth, low-friction operation with lines up to 10 mm.
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$ 461.83
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1-2 weeks delivery time The Harken 3405 1 Ton Twing Block features a spring-loaded side opening for easy one-handed rigging, reinforced aluminum sideplates, and a high-load bearing sheave, handling lines up to 11 mm and a working load of 1000 kg.
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$ 432.96
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1-2 weeks delivery time The Harken 3410 52mm Square Duplex Padeye is made from corrosion-resistant duplex stainless steel for structural strength and durability, supporting a working load of 2041 kg and a breaking load of 4082 kg.
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$ 90.56
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1-2 weeks delivery time The Harken 3411 65mm Square Duplex Padeye offers high-strength, corrosion-resistant construction to support critical deck loads, with a working load of 3402 kg and a breaking load of 6804 kg.
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$ 150.09
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1-2 weeks delivery time The Harken 3412 80mm HL Square Duplex Padeye combines outstanding corrosion resistance with structural strength, made from high-strength duplex stainless steel and supporting a working load of 4763 kg and a breaking load of 9525 kg.
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$ 199.17
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1-2 weeks delivery time The Harken 3413 97mm Square Duplex Padeye provides robust duplex stainless steel construction with high corrosion resistance and exceptional strength, supporting a working load of 8165 kg and a breaking load of 16329 kg.
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$ 371.63
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1-2 weeks delivery time The Harken 369 PVC 40mm Boot is a flexible, lightweight accessory that elevates 40 mm and 57 mm blocks without snagging lines, designed for durability and easy handling.
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$ 22
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1-2 weeks delivery time The Harken 370 PVC 55mm Boot securely holds 75 mm Carbo blocks in place while preventing line snags, made from tough, flexible PVC for marine use.
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$ 24.17
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1-2 weeks delivery time The Harken 373.6 22mm Low-Beam Track is crafted from high-grade 6061-T6 aluminum with hardcoat anodizing, ensuring smooth line travel and long-lasting durability.
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$ 189.05
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1-2 weeks delivery time The Harken 373.12 low-beam track extends over 12 feet, providing smooth line operation for longer runs. Constructed from durable 6061-T6 aluminum with a hardcoat-anodized finish, it includes compatible endstops, trim caps, and a splice link for complete setup.
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$ 443.79
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1-2 weeks delivery time The Harken 374.4 high-beam track measures 4 feet and is designed for heavier loads. Its 6061-T6 aluminum construction with a hardcoat-anodized finish ensures long-lasting performance, and it comes with the appropriate endstops and trim cap.
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$ 167.42
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1-2 weeks delivery time The Harken 374.6 high-beam track, 6 feet in length, combines strong aluminum construction with a hardcoat-anodized finish to handle demanding applications reliably. It includes compatible low- and high-load endstops and a trim cap.
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$ 238.12
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1-2 weeks delivery time The Harken 374.12 high-beam track spans 12 feet and is reinforced for extended high-load setups. Made from 6061-T6 aluminum with a hardcoat-anodized finish, it comes with low- and high-load endstops and a trim cap for complete installation.
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$ 483.48
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1-2 weeks delivery time The Harken 379 Micro Cam Base Bullseye keeps lines aligned and mounts securely on a stainless steel base. It supports line diameters from 3 to 6 mm and handles a maximum working load of 68 kg, using small fasteners for mounting.
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$ 85.86
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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.