{"product_id":"harken-29mm-double-carbo-air-block-part-number-381","title":"Harken 29mm Double Carbo Air Block, Part Number 381","description":"\u003cp\u003e\u003cstrong\u003e29mm Double Carbo Air Block\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: 54mm \/ 2-1\/8in.\u003c\/li\u003e\n\u003cli\u003eWeight: 34g \/ 1.2oz\u003c\/li\u003e\n\u003cli\u003eMaximum line: 8mm \/ 5\/16in\u003c\/li\u003e\n\u003cli\u003eMaximum working load: 299kg\/ 660lb\u003c\/li\u003e\n\u003cli\u003eBreaking load: 737kg \/ 1625lb\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003eThe Harken 29mm Double Carbo Air Block is a compact, lightweight sailing block designed for reliable line handling and easy trimming. With low-friction performance and a high working load for its size, this double-sheave block is well suited for sailors who need efficient control in compact rigging applications.\u003c\/p\u003e\u003cp\u003ePart of Harken’s Carbo Air block range, this block combines low weight with dependable strength and affordability. Its compact design makes it practical for applications where space and weight matter, while the double-sheave configuration supports efficient routing of compatible line. Use it for sailing and other marine rigging applications that require a 29mm block accepting line up to 5\/16 inch.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-friction sheaves:\u003c\/strong\u003e Help provide smooth, efficient line handling for easier trimming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-sheave configuration:\u003c\/strong\u003e Supports compact, organized line routing in marine rigging systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight design:\u003c\/strong\u003e Weighs 1.2 ounces, helping reduce added weight in the rig.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh working load:\u003c\/strong\u003e Supports a maximum working load of 660 pounds for demanding trimming applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 29mm format:\u003c\/strong\u003e Provides block performance in a small profile for space-conscious installations.\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 381\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Double Carbo Air block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheave diameter:\u003c\/strong\u003e 1-1\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall length:\u003c\/strong\u003e 2-1\/8 inches\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\u003eWeight:\u003c\/strong\u003e 1.2 ounces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum working load:\u003c\/strong\u003e 660 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaking load:\u003c\/strong\u003e 1,625 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the Harken 29mm Double Carbo Air Block for compact, low-friction line control backed by clearly specified load ratings for marine rigging applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSEO Meta Description:\u003c\/strong\u003e\u003cbr\u003eShop the Harken 29mm Double Carbo Air Block for lightweight, low-friction line handling, a 660 lb working load, and line up to 5\/16 inch.\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":44937135980633,"sku":"79052","price":58.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/79052XL.jpg?v=1789839865","url":"https:\/\/www.marinepartsonly.com\/products\/harken-29mm-double-carbo-air-block-part-number-381","provider":"Marine Parts Only","version":"1.0","type":"link"}