{"product_id":"3-1-2-x-3-1-2-x-square-corners-heavy-duty-spring-hinge-pair-bommer-lb4310c-350","title":"3-1\/2 x 3-1\/2  x Square Corners Heavy Duty Spring Hinge, Pair, Bommer LB4310C-350","description":"\u003cp\u003eThe Bommer LB4310C-350 is a pair of heavy-duty spring hinges designed for single-action, self-closing fire door applications. Each hinge is UL Listed R-4667 and certified Grade 1, rated for 1 million cycles.\u003c\/p\u003e\u003cp\u003eThe complete pack includes the hinges, a tension adjusting tool, locking pins, #10 x 3\/4\" wood screws, and #10-24 x 1\/2\" machine screws. The hinges feature a durable steel body and utilize an ANSI template screw hole pattern for installation on wood or metal doors.\u003c\/p\u003e\n\u003cdiv class=\"dw-legacy-resources\" aria-label=\"Product images\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/1489\/3857\/files\/kaba-simplex-902-size.gif?v=1704354717\" width=\"100\" height=\"72\" border=\"0\" alt=\"Bommer made in the USA\"\u003e\u003c\/div\u003e","brand":"Bommer","offers":[{"title":"Default Title","offer_id":49066575298849,"sku":"BOM-LB4310C-350","price":52.45,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1489\/3857\/files\/BOM-LB4310C-350-525.gif?v=1716421116","url":"https:\/\/www.doorware.com\/products\/3-1-2-x-3-1-2-x-square-corners-heavy-duty-spring-hinge-pair-bommer-lb4310c-350","provider":"Doorware.com","version":"1.0","type":"link"}