{"product_id":"harken-2644-40mm-carbo-air-cheek-block-for-low-friction-line-control","title":"Harken 2644 40mm Carbo Air Cheek Block for Low-Friction Line Control","description":"\u003cp\u003e\u003cstrong\u003e40mm Carbo Air Cheek 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\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSheave  (mm)40 mm\u003c\/li\u003e\n\u003cli\u003eSheave  (in)1 9\/16 in\u003c\/li\u003e\n\u003cli\u003eMaximum line  (mm)10 mm\u003c\/li\u003e\n\u003cli\u003eMaximum line  (in)3\/8 in\u003c\/li\u003e\n\u003cli\u003eMaximum working load (kg)220 kg\u003c\/li\u003e\n\u003cli\u003eMaximum working load (lb)485 lb\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003e\u003cstrong\u003eHarken 2644 40mm Carbo Air Cheek Block\u003c\/strong\u003e delivers lightweight, reliable line control for sailors and rigging applications that require smooth, efficient trimming. Designed as part of Harken’s Carbo Air block family, this compact cheek block combines low-friction operation with a strong working load rating, making it a practical choice for routing and managing lines in a variety of marine systems.\u003c\/p\u003e\u003cp\u003eBuilt to complement the popular Harken Black Magic block line, the Carbo Air cheek block is designed for dependable performance without unnecessary bulk. Its 40mm sheave accommodates line up to 3\/8 inch, while the maximum working load of 485 pounds supports demanding trimming applications. Use it where controlled line movement, compact installation, and efficient handling are important, including sailboat rigging and other marine line-control setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-friction sheave:\u003c\/strong\u003e Helps provide smooth line movement for easier trimming and handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight, compact design:\u003c\/strong\u003e Fits applications where efficient line routing and reduced hardware bulk are important.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm sheave:\u003c\/strong\u003e Supports line up to 3\/8 inch for common marine rigging applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh working load:\u003c\/strong\u003e Rated for a maximum working load of 485 pounds for reliable line control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarken Carbo Air construction:\u003c\/strong\u003e Offers a practical balance of strength, reliability, and affordability.\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 2644\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Carbo Air cheek block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheave size:\u003c\/strong\u003e 40 mm (1 9\/16 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum line size:\u003c\/strong\u003e 10 mm (3\/8 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum working load:\u003c\/strong\u003e 220 kg (485 pounds)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the Harken 2644 40mm Carbo Air Cheek Block for compact, low-friction line control backed by Harken’s established marine hardware design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSEO Meta Description:\u003c\/strong\u003e Harken 2644 40mm Carbo Air cheek block offers lightweight, low-friction line control for marine rigging, with a 485-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":44937128149081,"sku":"79742","price":50.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/79742XL.jpg?v=1789839445","url":"https:\/\/www.marinepartsonly.com\/products\/harken-2644-40mm-carbo-air-cheek-block-for-low-friction-line-control","provider":"Marine Parts Only","version":"1.0","type":"link"}