{"product_id":"ives-3sp1-3-knuckle-spring-full-mortise-hinge-4-5-x-4-5-flat-black","title":"Ives 3SP1 3-Knuckle Spring Hinge, Standard Weight, 4-1\/2\" x 4-1\/2\"","description":"\u003ch2\u003eIves 3SP1 3-Knuckle Spring Hinge, Standard Weight, 4-1\/2\" x 4-1\/2\"\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"line-height: 24px;\"\u003eFor use with fire doors where self-closing is required\u003c\/li\u003e\n\u003cli style=\"line-height: 24px;\"\u003eMaximum door weight 120 lbs, max door width 36″\u003c\/li\u003e\n\u003cli style=\"line-height: 24px;\"\u003eMaximum labeled door size – 3’0″ wide x 7’0″ x 1-3\/4″ thick as set in NFPA #80\u003c\/li\u003e\n\u003cli style=\"line-height: 24px;\"\u003ePacked with fasteners for hollow metal and half metal\/half wood applications, pin for setting spring tension, adjusting wrench\u003c\/li\u003e\n\u003cli style=\"line-height: 24px;\"\u003eSize: 4.5\"  x 4.5\"\u003c\/li\u003e\n\u003cli style=\"line-height: 24px;\"\u003eGauge: 0.134\u003c\/li\u003e\n\u003cli style=\"line-height: 24px;\"\u003eMaterial: 1040 steel or 304 series stainless steel\u003c\/li\u003e\n\u003cli style=\"line-height: 24px;\"\u003eANSI\/ BHMA Standard: Certified to ANSI\/BHMA A156.4 for performance standards, Meets ANSI\/BHMA 156.7 for template hinge dimensions\u003c\/li\u003e\n\u003cli style=\"line-height: 24px;\"\u003eUsage: Medium Duty\u003c\/li\u003e\n\u003cli style=\"line-height: 24px;\"\u003eFire Rating: UL listed for use with fire rated doors\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Parkavenuelocks","offers":[{"title":"630 - Satin Stainless Steel","offer_id":43008862748761,"sku":"3SP1 4.5X4.5 630","price":75.85,"currency_code":"USD","in_stock":true},{"title":"US10B - Oil Rubbed Bronze","offer_id":43008862781529,"sku":"3SP1 4.5X4.5 640","price":45.8,"currency_code":"USD","in_stock":true},{"title":"US26D - Satin Chrome","offer_id":43008862814297,"sku":"3SP1 4.5X4.5 652","price":33.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/0235\/7849\/files\/ives_3sp1_3-knuckle_spring_hinge_standar.png?v=1769078163","url":"https:\/\/shop.parkavenuelocks.com\/products\/ives-3sp1-3-knuckle-spring-full-mortise-hinge-4-5-x-4-5-flat-black","provider":"Park Avenue Locks","version":"1.0","type":"link"}