{"product_id":"harken-29mm-triple-carbo-air-block-with-swivel-part-344","title":"Harken 29mm Triple Carbo Air Block with Swivel, Part 344","description":"\u003cp\u003e\u003cstrong\u003e29mm Triple 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: 29mm \/ 1-1\/8in.\u003c\/li\u003e\n\u003cli\u003eLength: 73mm \/ 2-7\/8in.\u003c\/li\u003e\n\u003cli\u003eWeight: 74g \/ 2.6oz\u003c\/li\u003e\n\u003cli\u003eShackle pin: 5mm \/ 3\/16in\u003c\/li\u003e\n\u003cli\u003eMaximum line: 8mm \/ 5\/16in\u003c\/li\u003e\n\u003cli\u003eMaximum working load: 449kg\/ 990lb\u003c\/li\u003e\n\u003cli\u003eBreaking load: 907kg \/ 2000lb\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003e\u003cstrong\u003eHarken 29mm Triple Carbo Air Block with Swivel\u003c\/strong\u003e is a compact, lightweight block designed for sailors who need reliable, low-friction line handling in trimming and control applications. Featuring three 29mm sheaves and a swivel connection, this Harken Carbo Air block supports smooth line movement while helping keep sailing hardware weight low.\u003c\/p\u003e\u003cp\u003eBuilt as part of Harken’s Carbo Air block family, this triple block combines a strong construction with a high working load for dependable performance aboard sailboats and other marine applications. Its compact profile makes it well suited for systems where efficient trimming, controlled line routing, and space-conscious hardware are important. The swivel allows the block to align with changing line direction, helping support practical rigging and sail-control setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple 29mm sheaves:\u003c\/strong\u003e Provides three sheaves for multi-part purchase and line-control systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-friction design:\u003c\/strong\u003e Helps promote smooth, efficient line handling during trimming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwivel connection:\u003c\/strong\u003e Allows the block to align with the direction of the loaded line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh working load:\u003c\/strong\u003e Supports loads up to 990 pounds for demanding marine applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight construction:\u003c\/strong\u003e Weighs 2.6 ounces, helping reduce hardware weight in onboard systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Harken\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 344\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Triple Carbo Air block with swivel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheave size:\u003c\/strong\u003e 29mm (1-1\/8 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlock length:\u003c\/strong\u003e 2-7\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.6 ounces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShackle pin:\u003c\/strong\u003e 3\/16 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum line size:\u003c\/strong\u003e 5\/16 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum working load:\u003c\/strong\u003e 990 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaking load:\u003c\/strong\u003e 2,000 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the Harken 29mm Triple Carbo Air Block with Swivel, Part 344, for compact, low-friction line control backed by Harken’s dependable marine hardware design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSEO Meta Description:\u003c\/strong\u003e Shop the Harken 29mm Triple Carbo Air Block with Swivel, Part 344, for lightweight, low-friction line handling and a 990-pound working load.\u003c\/p\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eTruck Freight: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOversized: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":44937136799833,"sku":"79048","price":82.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/79048XL.jpg?v=1789839899","url":"https:\/\/www.marinepartsonly.com\/products\/harken-29mm-triple-carbo-air-block-with-swivel-part-344","provider":"Marine Parts Only","version":"1.0","type":"link"}