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 7311.20 1/2 is a MKIV Unit 1 jaw toggle with a 12.7mm clevis pin, designed to work with standard turnbuckles and allow easy adjustment on fork or tang chainplates through its flip mechanism.
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$ 171.75
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1-2 weeks delivery time The Harken 7311.20 5/8 is a MKIV Unit 1 stud jaw toggle with a 15.9mm clevis pin, built to handle heavier turnbuckles, featuring a flip mechanism for mounting on fork or tang chainplates and allowing easy adjustment access.
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$ 642.24
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1-2 weeks delivery time The Harken 7311.21 1/2 is a MKIV Unit 1 stainless steel link plate toggle with a 12.7mm clevis pin, engineered to fit standard turnbuckles, resist scratches, and allow easy adjustment via a flip design for fork or tang chainplates.
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$ 541.21
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1-2 weeks delivery time The Harken 7311.21 5/8 is a MKIV Unit 1 stainless steel link plate toggle with a 15.9mm clevis pin, built to fit standard turnbuckles while resisting scratches, featuring a flip design for fork or tang chainplate installation and providing easy turnbuckle access.
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$ 613.36
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1-2 weeks delivery time The Harken 7312.20 3/4 toggle assembly works with standard turnbuckles using swage, rod, Norseman®, or Sta-Lok® terminals, with a toggle that flips for fork or tang chainplates and a single stainless steel clevis pin for easy adjustment.
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$ 1,306.10
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1-2 weeks delivery time The Harken 7312.20 5/8 toggle assembly fits standard turnbuckles with swage, rod, Norseman®, or Sta-Lok® terminals, featuring a flip toggle for fork or tang chainplate installation and a single stainless steel clevis pin for simple adjustments.
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$ 233.80
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1-2 weeks delivery time The Harken 7312.21 3/4 stainless steel link plate slides over a standard turnbuckle, offering durability and a polished finish, with a toggle for fork or tang chainplate installation and a single clevis pin for straightforward adjustments.
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$ 930.88
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1-2 weeks delivery time The Harken 7312.21 5/8 stainless steel link plate fits over standard turnbuckles, resisting surface scratches, with a toggle that supports fork or tang chainplates and a single clevis pin for easy turnbuckle access.
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$ 736.05
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1-2 weeks delivery time The Harken 7313.21 3/4 stainless steel link plate is built to endure rigorous use while maintaining a polished surface, with a toggle for fork or tang chainplates and a single clevis pin for simple turnbuckle adjustments.
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$ 1,064.36
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1-2 weeks delivery time The Harken 7313.21 7/8 stainless steel link plate resists wear while preserving a polished appearance, with a toggle that flips for fork or tang chainplate installation and a single clevis pin for easy turnbuckle adjustment.
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$ 1,659.69
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1-2 weeks delivery time The Harken 7351.10.16M Reflex furling system offers smooth, complete furling for asymmetric spinnakers, minimizing corkscrewing and easing sail handling, with a 16 m torsion cable and all necessary components included.
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$ 3,889.47
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1-2 weeks delivery time The Harken 7351.10.18M Reflex system provides precise furling for asymmetric spinnakers, with an 18 m cable and a compact drive unit that ensures even roll-up and quick deployment.
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$ 4,012.14
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1-2 weeks delivery time The Harken 7351.10.20M Reflex furling system with a 20 m cable delivers controlled furling for free-flying spinnakers, featuring a torsionally resistant cable and a compact drive unit for easier downwind sailing.
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$ 4,091.53
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1-2 weeks delivery time The Harken 7351.10BASE Reflex drive unit is designed for speed and control, allowing multiple sails to be handled with one unit, using flexible cowling and ball bearings to reduce friction and prevent jams.
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$ 1,464.86
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1-2 weeks delivery time The Harken 7351.10WOC Reflex Unit 1 enhances furling of cable-less sails, especially code zero sails, with a system that reacts instantly to the furling line, reducing luff tension and allowing multiple sails on one drive.
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$ 3,427.64
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1-2 weeks delivery time The Harken 7351.20 Reflex furler adapter uses a threaded snap shackle for easy asymmetric spinnaker attachment, offering a reliable and lightweight connection for the Reflex Unit 1.
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$ 505.14
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1-2 weeks delivery time The Harken 7351.21 D-Shackle adapter provides a more permanent attachment to bow fittings or sprits for asymmetric spinnakers, maintaining efficiency with the Reflex Unit 1 system.
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$ 264.10
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1-2 weeks delivery time The Harken 7351.22 2:1 Soft-Attach adapter allows looped attachment with precise luff tension control, ideal for code zero sails while maintaining Reflex Unit 1 functionality.
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$ 225.14
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1-2 weeks delivery time The Harken 7351.23 Web-On Tack Terminal supports direct sewing onto cable-less sails, allowing longer luff lengths and use of a single drive unit across multiple sails.
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$ 382.45
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1-2 weeks delivery time The Harken 7351.24 Web-On Head Swivel can be sewn onto cable-less sails, providing a compact design that maintains efficiency and allows extended luff lengths.
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$ 649.45
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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.