{"product_id":"harken-57mm-carbo-air-block-with-swivel-lightweight-and-high-load-marine-hardware","title":"Harken 57mm Carbo Air Block with Swivel – Lightweight and High-Load Marine Hardware","description":"\u003cp\u003e\u003cstrong\u003e57mm Carbo Air Block with Swivel\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSheave: 57mm \/ 2-1\/4in\u003c\/li\u003e\n\u003cli\u003eLength: 110mm \/ 4-5\/16in\u003c\/li\u003e\n\u003cli\u003eWeight: 87g \/ 3.1oz\u003c\/li\u003e\n\u003cli\u003eShackle pin: 5mm \/ 3\/16in\u003c\/li\u003e\n\u003cli\u003eMaximum line: 10mm \/ 3\/8in\u003c\/li\u003e\n\u003cli\u003eMaximum working load: 359kg \/ 792lb\u003c\/li\u003e\n\u003cli\u003eBreaking load: 1079kg \/ 2380lb\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Harken 57mm Carbo Air Block with Swivel is designed for sailors seeking reliable, lightweight, and durable hardware for their rigging systems. Constructed with low-friction Carbo Air technology, this compact block offers exceptional strength while maintaining a minimal weight of just 3.1 ounces, making it ideal for performance sailing and racing applications. Its high working load capacity of 792 pounds ensures safe and efficient trimming during intense maneuvers, providing confidence in demanding conditions. The integrated swivel feature allows for smooth rotation, reducing line wear and enhancing overall system efficiency. Crafted as a companion to Harken’s Black Magic line, this block seamlessly integrates into existing setups, offering both versatility and dependability. The sheave measures 2-1\/4 inches in diameter, suitable for lines up to 3\/8 inch (10mm), and the shackle pin is 3\/16 inch (5mm), ensuring a secure fit. Whether used on small boats or high-performance racing vessels, the Carbo Air Block delivers a combination of strength, lightweight design, and ease of use that meets the rigorous demands of competitive sailing. Built with quality materials and precision engineering, it guarantees long-lasting performance and minimal maintenance, making it an excellent choice for serious sailors looking to optimize their rigging systems.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSheave diameter: 2-1\/4 inches (57mm) for smooth line handling\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLightweight construction at 3.1 ounces for easy handling and reduced load\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh maximum working load of 792 pounds ensures safety and reliability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSwivel feature allows for smooth rotation and reduces line wear\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with lines up to 3\/8 inch (10mm) in diameter\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDurable and reliable design aligned with Harken’s high-performance standards\u003c\/li\u003e\u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":44679492370474,"sku":"79072","price":55.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/79072XL.jpg?v=1786229604","url":"https:\/\/atticusgoods.com\/products\/harken-57mm-carbo-air-block-with-swivel-lightweight-and-high-load-marine-hardware","provider":"Atticus Goods","version":"1.0","type":"link"}