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 HK346 Triple Carbo Air Block with Cam is a lightweight and reliable solution for low-friction control, designed for small dinghies like the Optimist and boats of all sizes. With a 29 mm sheave, 340 kg working load, and 680 kg breaking load, this block ensures safe and efficient trimming while complementing the renowned Harken Black Magic line.
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$ 206.38
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1-2 weeks delivery time The Harken HK347 29 mm Triple Block with Becket, Cam Cleat offers a lightweight, strong, and reliable solution for easy trimming. This compact Carbo Air block, ideal for Harken Big Boat systems, features a 29 mm sheave, 408 kg working load, and 816 kg breaking load, all while weighing just 133 g. Perfect for applications requiring high-performance and reliability.
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$ 213.59
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1-2 weeks delivery time The Harken HK348 Fixed Single Carbo Air Block is a lightweight, durable solution for efficient sailing. Designed for ropes up to 8mm, this block offers exceptional strength-to-weight performance. With a 29 mm sheave, it reduces friction and ensures safe trimming with a maximum working load of 150 kg and a breaking load of 454 kg, all in a compact design that weighs just 223 g.
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$ 28.50
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1-2 weeks delivery time The Harken HK349 Carbo stand-up block, with a 29 mm sheave, is designed for ropes up to 8 mm. This lightweight yet robust block boasts a maximum working load of 150 kg and a remarkable breaking load of 454 kg, while weighing just 31 grams, making it an ideal choice for various applications requiring reliable performance and minimal weight.
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$ 44.74
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1-2 weeks delivery time The Harken HK350 Single Cheek Carbo Air Block, featuring a 29 mm sheave, is lightweight, strong, and highly reliable. Constructed with reinforced composite materials and an open-air design, this block is perfect for main, jib, and spinnaker sheets on dinghies, sport boats, and various control lines on boats of all sizes. It offers a high working load for safe and easy trimming and is available in singles, doubles, triples, and more.
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$ 28.15
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1-2 weeks delivery time The Harken HK352 Single Fixed Carbo Air Block is a lightweight, reliable, and low-friction block designed for ropes up to 8 mm in diameter. Ideal for safe and efficient trimming, it is a strong and affordable addition to your sailing kit, complementing the Harken Black Magic block line with high working loads.
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$ 38.24
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1-2 weeks delivery time The Harken HK353 Carbo Air Double Traveller Block is a lightweight, durable, and versatile block designed for ropes 8 mm. Featuring a reinforced composite construction and open air design, it ensures smooth operation, high working loads, and reliable performance for main, jib, and spinnaker sheets on dinghies and sport-boats.
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$ 58.09
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1-2 weeks delivery time The Harken HK371 29mm Carbo Air Clew Block Assembly features reinforced composite construction and an open air block design, ensuring lightweight strength and reliability. With a high working load, it facilitates safe and effortless trimming for main, jib, and spinnaker sheets on various boats. Doubles and triples are equipped with U-locks for versatile positioning, while the 29mm stand-up block can also function as a becket block.
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$ 62.06
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1-2 weeks delivery time The Harken HK381 Double Fixed Carbo Air Block is a high-performance block designed for ropes 8 mm in diameter. With a 29 mm sheave diameter, it offers reliable strength, a high working load of 299 kg, and a breaking load of 737 kg. Weighing just 34 grams, this block ensures efficient performance for various marine applications.
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$ 75.06
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1-2 weeks delivery time The Harken HK395 29 mm Pivoting Lead Block, designed for lines 6 mm in diameter, features a maximum working load of 91 kg and a breaking load of 295 kg. Weighing only 90.7 grams, it is equipped with the reliable Harken 468 Cam-Matic, ensuring efficient and flexible cleating options for larger keelboats, dinghies, and beachcats.
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$ 129.89
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1-2 weeks delivery time The Harken HK396 29 mm Pivoting Lead Block Carbo-Cam Cleat is designed for halyard controls on larger keelboats and as an essential component on dinghies and beachcats. Its reversible cam provides flexible cleating, while compatibility with Classic models allows for easy upgrades. This block can also function as a reliable becket block for added versatility.
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$ 118.71
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1-2 weeks delivery time The Harken HK2163 40 mm Cheek Block Becket is a lightweight, durable, and versatile accessory designed for sheeting systems on small boats and trimlines on larger vessels. With a safe workload of 220 kg and a breaking strength of 735 kg, this 40 mm block supports a maximum line diameter of 10 mm, ensuring reliable and efficient trimming at just 139 grams.
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$ 68.56
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1-2 weeks delivery time The Harken HK2636 Single Carbo Air Block 40 mm is a high-performance block designed for ropes up to 10 mm. 60% stronger and 30% lighter than traditional blocks, it’s perfect for high-performance dinghies and small keelboats. Featuring long-glass fiber-reinforced nylon-resin sideplates, smooth operation with high-load ball bearings, and UV protection, it is ideal for mainsheet systems, control lines, vangs, cunninghams, and outhauls.
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$ 63.14
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1-2 weeks delivery time The Harken HK2637 Carbo Air Block 40 mm with Becket offers superior strength and reduced weight, making it ideal for high-performance dinghies and small keelboats. Its nylon-resin sideplates with long-glass fibers provide durability and strength. With high-load ball bearings, minimal friction is ensured for smooth operation. UV stabilization ensures long-lasting performance. Suitable for various applications such as mainsheets, control lines, vangs, and outhauls.
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$ 73.24
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1-2 weeks delivery time The Harken HK2644 40 mm Carbo cheek block is a versatile and lightweight solution for both small boats and larger vessels. It accommodates a maximum line diameter of 10 mm and offers a safe workload of 220 kg with a breaking strength of 735 kg. Weighing just 34 grams, this block combines strength with maneuverability, ensuring reliable performance in demanding conditions.
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$ 60.99
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1-2 weeks delivery time The Harken HK2645 Single Carbo Air Block, with a 40 mm diameter and cam, is perfect for small boat sheeting systems and larger boat trim lines. It accommodates ropes up to 6 mm, with a safe workload of 68 kg and a breaking strength of 136 kg. Weighing just 119 grams, this block combines durability with a lightweight design for reliable performance.
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$ 206.38
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1-2 weeks delivery time The Harken HK2646 Carbo Air Block is engineered for high-performance applications, including jib and mainsheet systems on dinghies and control lines on keelboats. With its cam and becket design, it combines strength and lightweight construction, offering a 60% increase in strength and 30% reduction in weight compared to classic blocks. It’s equipped with UV-stabilized nylon-resin sideplates and high-load ball bearings for smooth, low-friction operation.
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$ 216.49
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1-2 weeks delivery time The Harken HK2649 Carbo Air Block offers a perfect blend of lightweight durability and superior performance. Being 60% stronger and 30% lighter than traditional blocks, it features high-strength nylon-resin sideplates packed with long-glass fibers. Smooth-spinning sheaves on high-load ball bearings ensure low-friction operation, while UV stabilization guarantees durability in harsh marine environments. Perfect for mainsheet systems, control lines, and more.
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$ 81.90
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1-2 weeks delivery time The Harken HK2650 Single Fixed Carbo Air Block is designed for efficient sheeting systems on small boats and trimline operations on larger vessels. With a maximum line capacity of 10 mm, it ensures smooth functionality in various sailing scenarios. Offering a safe workload of 220 kg and a breaking strength of 735 kg, this lightweight block (40 grams) is durable and reliable under pressure.
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$ 51.60
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1-2 weeks delivery time The Harken HK2652 Single Stand-Up Carbo Air Block 40 mm is ideal for both small boat sheeting systems and large vessel trim lines. With a maximum line diameter of 10 mm, this block ensures optimal performance and seamless operation. Boasting a safe workload of 220 kg and a breaking strength of 735 kg, it combines strength with a lightweight design of just 48 grams.
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$ 69.28
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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.