{"product_id":"c100-series-extension-springs","title":"C100 Series","description":"\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eC100 Series Garage Door Extension Springs \u003c\/strong\u003eare our heaviest-duty option, built for larger one-piece residential and commercial doors that demand maximum lifting power. These springs feature strong clip ends for secure attachment, and are oil tempered and heat treated for long-lasting strength. Multiple lengths available. Manufactured in-house for \u003cstrong\u003eprofessional installation only.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"American Spring, Inc.","offers":[{"title":"C128","offer_id":51840099909950,"sku":"C128","price":54.86,"currency_code":"USD","in_stock":true},{"title":"C130","offer_id":51840099942718,"sku":"C130","price":56.58,"currency_code":"USD","in_stock":true},{"title":"C132","offer_id":51840099975486,"sku":"C132","price":57.08,"currency_code":"USD","in_stock":true},{"title":"C136","offer_id":51840100008254,"sku":"C136","price":61.7,"currency_code":"USD","in_stock":true},{"title":"C142","offer_id":51964638658878,"sku":"C142","price":68.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0904\/0560\/1598\/files\/7_fbd85b58-84ff-42f9-96d0-2ae10bef2d70.png?v=1754583177","url":"https:\/\/americanspring.com\/products\/c100-series-extension-springs","provider":"American Spring, Inc.","version":"1.0","type":"link"}