{"product_id":"harken-3391","title":"Harken 45mm Aluminum Black Magic Air Block w\/Swivel","description":"\u003cp\u003e\u003cstrong\u003e45mm Aluminum Black Magic Air Block with Swivel\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep the line from twisting. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":45254160482486,"sku":"HAR\/3391","price":211.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/6584\/6966\/files\/103512XL.jpg?v=1783738945","url":"https:\/\/ampedupmarine.com\/products\/harken-3391","provider":"Amped Up Marine","version":"1.0","type":"link"}