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 434 low-load furling system for 3 mm luff wire enables jib furling from the cockpit, with an optional hoistable halyard swivel, supporting lines up to 4 mm and a maximum load of 227 kg, and weighing 215 g.
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$ 588.11
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1-2 weeks delivery time The Harken 435 standard furling system for 3 mm luff wire allows effortless jib handling from the cockpit, with independent swivels and optional hoistable halyard swivel, supporting lines up to 4 mm and a maximum load of 431 kg, weighing 215 g.
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$ 685.53
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1-2 weeks delivery time The Harken 436 high-load furling system for 5 mm luff wire is designed for larger small boats and dinghies, with independent swivels and an optional hoistable halyard swivel, handling lines up to 6 mm and a maximum load of 907 kg, weighing 646 g.
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$ 1,223.13
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1-2 weeks delivery time The Harken 438 sheet cleat adaptor mounts on masts or booms to raise the cleat for optimal angle and improved line control, measuring 76 mm by 36 mm by 14 mm and weighing 71 g.
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$ 29.24
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1-2 weeks delivery time The Harken 445 Narrow Eyestrap is a compact and strong mounting solution for light-duty blocks, lash-down points, and fairleads, measuring 38 mm in length and supporting a breaking load of 454 kg, with fastener spacing of 27 mm for secure installation.
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$ 8.08
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1-2 weeks delivery time Harken 446 endstops are designed to absorb shock loads when end controls are not in use, providing smooth and safe operation for lines, and are compatible with track 373.
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$ 22.37
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1-2 weeks delivery time The Harken 448 Fixed Lead Block offers a secure mounting point for fixed leads on boats with bulwarks, keeping the sidedeck clear, with a 38 mm sheave, a maximum working load of 136 kg, and a breaking load of 272 kg.
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$ 50.86
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1-2 weeks delivery time The Harken 450 Pinstop Car Eyestrap combines a spring-loaded pinstop and precise track spacing for easy adjustment, suitable for small sport boats with jibs up to 13 m², supporting a breaking load of 318 kg.
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$ 127.73
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1-2 weeks delivery time Harken 452P Pinstop Car Swivel, Cam Cleat, Port, provides controlled pivoting to keep the cleat within reach on small boats, with a height of 62 mm, length of 79 mm, and a breaking load of 227 kg.
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$ 279.98
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1-2 weeks delivery time The Harken 452S Pinstop Car Swivel, Cam Cleat, Starboard, allows precise adjustments with a spring-loaded pinstop and controlled pivoting, supporting small sport boats’ jibs up to 13 m² and a breaking load of 227 kg.
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$ 279.98
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1-2 weeks delivery time Harken 453.12 is a 300 mm low-beam pinstop track made of anodized 6061-T6 aluminum, designed for durable, smooth car movement with mounting hole spacing of 76 mm.
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$ 55.92
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1-2 weeks delivery time The Harken 453.15 low-beam track measures 370 mm and features robust aluminum construction with hardcoat anodization, ensuring reliable car operation and a mounting hole spacing of 76 mm.
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$ 70.72
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1-2 weeks delivery time Harken 453.18 is a 450 mm low-beam pinstop track constructed from durable anodized aluminum, providing smooth car movement and long-lasting performance with a 76 mm hole spacing.
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$ 73.97
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1-2 weeks delivery time The Harken 453.24 600 mm low-beam pinstop track is built from high-grade anodized aluminum, offering smooth, secure car adjustments and durable mounting with 76 mm hole spacing.
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$ 87.68
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1-2 weeks delivery time Harken 453.9.5 is a compact 240 mm low-beam pinstop track engineered for strength and precision, made of hardcoat anodized aluminum and ideal for small footprint applications.
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$ 43.65
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1-2 weeks delivery time The Harken 460 25 mm Ball-and-Socket Base Swivel allows blocks to pivot up to 45° while remaining upright, reinforced with stainless steel and supporting a breaking load of 1134 kg.
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$ 120.52
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1-2 weeks delivery time Harken 461 41 mm Ball-and-Socket Base Swivel supports larger 75 mm Carbo blocks, allowing smooth 45° articulation with a reinforced stainless steel design and a breaking load of 1134 kg.
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$ 134.22
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1-2 weeks delivery time The Harken 463 Stainless Steel Double Pin U-adapter connects 75 mm Carbo single blocks to swivel bases, offering lightweight construction and reliable load handling up to 567 kg.
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$ 29.58
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1-2 weeks delivery time Harken 464 Hoistable Furling Swivel for 4 mm wire allows effortless raising and lowering of sails, operating independently of the headstay with a maximum working load of 367 kg.
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$ 443.79
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1-2 weeks delivery time The Harken 465 Hoistable Furling Swivel for 5 mm wire handles heavier loads, enabling smooth, independent sail adjustment and supporting a maximum working load of 540 kg.
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$ 555.64
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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.