{"product_id":"national-4-in-oil-rubbed-bronze-square-spring-door-hinge","title":"National 4 In. Oil Rubbed Bronze Square Spring Door Hinge","description":"\u003cp\u003eCatalog model No. V520 series square spring door hinge. Adjustable tension. Listed for fire rated openings. Ideally suited for residential as well as commercial, industrial, and institutional uses. Manufactured with cold-rolled steel. Closing speed is adjustable. Fits standard hinge cutout. Tension is adjustable. Square corners.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":48271528100071,"sku":"21000294","price":20.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/1536\/0231\/files\/product-media-137168.jpg?v=1769633019","url":"https:\/\/fletcherlawnandgarden.com\/products\/national-4-in-oil-rubbed-bronze-square-spring-door-hinge","provider":"Fletcher Lawn \u0026 Garden Hardware","version":"1.0","type":"link"}