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 Price incl. 19% VAT The Harken HK2659 Carbo Air Block, a 40 mm single fixed 90 for 10 mm rope, is ideal for small boat sheeting systems and larger vessel trim lines. With a maximum line diameter of 10 mm, it offers a safe workload of 220 kg and a breaking strength of 735 kg, all while weighing just 44 grams.
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€ 51,29
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1-2 weeks delivery time Price incl. 19% VAT Harken's HK2156 40 mm Pivoting Lead Block Cam-Matic Cleat serves as a versatile solution for halyard controls on larger keelboats and as “headknockers” on dinghies and beachcats, enabling direct sheeting from the boom. Its high-strength construction, identical hole spacing, and rivet size to Classic models allow for easy upgrades. With a recommended maximum line diameter of 10 mm, a safe workload of 136 kg, and a breaking strength of 430 kg, this lightweight 186-gram block ensures durability and reliability in small boat sheeting systems.
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€ 107,78
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1-2 weeks delivery time Price incl. 19% VAT High-strength pivoting lead blocks with cams, such as the Harken HK2157 Carbo 40 mm Pivoting Lead Block with Carbo-Cam Cleat, serve multiple purposes. They are essential for halyard controls on larger keelboats and can also be used on dinghies and beachcats for direct sheeting from the boom. These blocks feature hole spacing and rivet sizes identical to Classic models, ensuring easy upgrades, while their reversible cams allow for versatile cleating options. Additionally, the Harken 40mm Carbo pivoting lead block/365 Carbo Cam block is lightweight, with a safe workload of 91 kg and a breaking load of 430 kg, making it suitable for small boat sheeting systems with lines up to 10 mm thick.
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€ 104
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2638 Double Carbo Air Block 40 mm is perfect for ropes up to 10 mm in diameter. With a working load of 440 kg and a breaking strength of 1080 kg, this 40 mm Carbo double block is both lightweight, at just 86 grams, and durable, ensuring efficient performance during sailing tasks.
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€ 104
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2639 Carbo Air Double Block 40 mm, complete with a becket, is designed for ropes up to 10 mm, boasting a 440 kg working load and a breaking strength of 1080 kg. Weighing just 90 grams, it features a 40 mm model with two sheaves, ball bearings for smooth operation, and a swivel for enhanced flexibility.
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€ 112,51
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1-2 weeks delivery time Price incl. 19% VAT Introducing the Harken HK2640 Carbo Triple Air Block: a sturdy 40 mm block designed for ropes up to 10 mm thick. With a working load of 660 kg and a breaking strength of 1383 kg, it ensures reliable performance. Weighing just 118 grams, it's lightweight yet durable, making it perfect for various rigging tasks.
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€ 171,13
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2641 Triple Carbo Air Block 40 mm with Becket for Rope 10 mm is a high-performance block designed for main, jib, and spinnaker sheets on sportboats and dinghies of all sizes. Its lightweight and durable composite construction, along with the UV-stabilizer on ball bearings, sheave, and sideplates, ensure its reliability even in harsh conditions. With smooth-running and powerful performance, this block makes trimming easy in challenging wind situations.
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€ 178,69
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2642 Double Fixed Carbo Air Block 40 mm is a high-performance block designed for ropes measuring 10 mm. It offers enhanced strength and lighter weight compared to classic blocks, making it ideal for jib and mainsheet systems on dinghies and loaded control lines on keelboats. With nylon-resin sideplates packed with long-glass fibers and high-load ball bearings, this block ensures smooth operation and maximum protection with UV stabilization. It is versatile and can be used for various purposes, including main and jib sheets, mainsheet fine-tuning, control lines, vangs, cunninghams, and outhauls.
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€ 86,27
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2643 Double Fixed Carbo Air Block 40 mm with Becket for Rope 10 mm is a lightweight and strong block that is perfect for high-performance dinghies and small keelboats. Its nylon-resin sideplates packed with long-glass fibers offer a compact design with a high strength-to-weight ratio. The block's ball bearings and UV stabilized components ensure smooth operation and maximum protection. Suitable for various sailing systems such as main/jib sheets, control lines, vangs, cunninghams, and outhauls.
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€ 93,60
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2647 Carbo 40 mm Triple Block with Swivel and Cam Cleat is a lightweight, strong, reliable, and affordable block. It is designed to handle high working loads, with a maximum line diameter of 6 mm and a maximum working load of 340 kg. The block features a 40 mm sheave diameter for smooth operation and reduced friction.
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€ 264,73
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2648 Triple Carbo Air Block 40 mm with becket and cam is a lightweight, strong, and affordable option for ropes measuring 10 mm in diameter. It offers high working loads, making trimming safe and easy. With a 40 mm sheave diameter, maximum line diameter of 6 mm, and a maximum working load of 408 kg, this block is a reliable choice. It is a perfect companion to the popular Harken Black Magic block line.
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€ 271,82
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2654 Quad Carbo Air Block 40 mm is a lightweight and strong block designed for ropes with a diameter of 10 mm. It is suitable for use in jib and mainsheet systems on high-performance dinghies, as well as control lines on small keelboats. The block features compact nylon-resin sideplates packed with long-glass fibers for a high strength-to-weight ratio. With smooth operation ensured by high-load ball bearings, the block is UV stabilized for maximum protection. It can be used for various applications such as main/jib sheets, mainsheet fine-tuning, control lines, vangs, cunninghams, and outhauls.
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€ 226,91
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2600 Single Carbo Air Block is a 57 mm block designed for 10 mm ropes. It weighs 87 grams and can handle a safe working load of 359 kg, with a breaking strength of 1079 kg. It is versatile and suitable for main sheets and jib sheets.
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€ 66,65
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2601 Carbo Single Air Block with Becket is a lightweight and versatile 57 mm block designed for ropes up to 10 mm in diameter. With a safe working load of 359 kg and a breaking strength of 1079 kg, it is perfect for main sheets and jib sheets, offering reliable and durable performance.
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€ 78,71
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2606 Cheek Carbo Air Block is a lightweight, strong, and affordable block designed for a 10 mm rope. It is a companion to the popular Harken Black Magic block line and offers high working loads for easy trimming. With a sheave diameter of 57 mm and a maximum working load of 359 kg, it ensures reliable performance.
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€ 61,22
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2615 Carbo Air Block 57 mm with Cam for Rope 10 mm is a lightweight, strong, and reliable block that offers high working loads for easy and safe trimming. It is designed with UV-stabilized sideplates and a patented switch for maximum protection and flexibility. With its broad working range, this block is suitable for various applications such as main and jib sheets on centerboard and keelboats, as well as mainsheet systems on catamarans.
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€ 189,09
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2616 Carbo Air Block 57 with Cam and Becket mm for Rope 10 mm is a lightweight, strong, reliable, and affordable block. It is a companion to the popular Harken Black Magic block line, offering a compact design with high working loads for safe and easy trimming. With a sheave diameter of 2 1/4" (57 mm), shackle pin diameter of 3/16" (5 mm), and maximum line diameter of 3/8" (10 mm), it can handle a maximum working load of 600 lb (272 kg) and a breaking load of 1500 lb (680 kg). Measuring at a length of 5 3/16" (132 mm) and weighing 15.6 oz. (442 g), it provides optimal performance for various applications.
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€ 200,44
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2660 Single Carbo Air Block 75 mm for Rope 14 mm is a lightweight and durable block that offers 60% more strength and 30% less weight compared to the classic Harken block. It features nylon-resin sideplates densely packed with long-glass fibers, providing a compact design with a high strength-to-weight ratio. The block's sheaves spin smoothly on high-load ball bearings with fitted races for frictionless operation, and the UV-stabilized components offer maximum protection. With a safe working load of 1200lbs (500kg), this block is perfect for mainsheet systems on sport boats like the Melges 24, J/105, and Henderson 30, and it can be easily released under load while offering the option to lock in two directions or swivel.
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€ 119,13
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2661 Carbo Air Block 75 mm Single with Becket is a lightweight and reliable option for ropes with a diameter of 14 mm. It is part of the popular Harken Black Magic block line, offering high working loads for safe and easy trimming. With a 75 mm sheave diameter and a maximum working load of 550 kg, it provides affordable and efficient performance.
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€ 135,20
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1-2 weeks delivery time Price incl. 19% VAT The Harken HK2666 Single Carbo Air Block 75 mm with Cam for Rope 14 mm is a versatile and high-performance product. It can be used as a becket block and offers 60% more strength and 30% less weight compared to Classic blocks. With its nylon resin sideplates packed with long-glass fibers, this block provides a compact design with excellent strength-to-weight ratio. The UV-stabilized components ensure maximum protection, and the Cam-Lock or U-Lock locking systems allow for flexible positioning. With a safe working load of 1200 lbs (500 kg), this block is perfect for mainsheet systems on sport boats like the Melges 24, J/105, and Henderson 30. It's suitable for various applications, including main/jib sheets, mainsheet fine-tune, control lines, vangs, cunninghams, and outhauls.
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€ 300,18
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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.