{"product_id":"black-magic-block-45mm-double-w-bkt","title":"Harken 45 mm Aluminum Double Block — Swivel, Becket - #3394","description":"\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 line from twisting. \u003c\/p\u003e\n\n\u003cp\u003eTorlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken, Inc.","offers":[{"title":"Default Title","offer_id":43455625494562,"sku":"H3394","price":454.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0267\/1208\/0418\/files\/H3394-Harken-45mm-Aluminum-Double-Block-with-Swivel-and-Becket_5657af24-24c0-4d08-a934-8aed0bc64dac.jpg?v=1743618423","url":"https:\/\/sailingservices.com\/products\/black-magic-block-45mm-double-w-bkt","provider":"Sailing Services","version":"1.0","type":"link"}