{"product_id":"national-marker-n115105-spring-door-hinge-3-in-2-pack","title":"National Marker N115105 Spring Door Hinge 3 in 2-pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL MARKER N115105 is a full-surface spring door hinge designed for interior door applications where a self-closing function is required. Part of the V125 series, this 3-inch hinge is constructed from cold-rolled steel with a galvanized finish and features a solid brass adjustable collar. The fully enclosed spring mechanism provides reliable, consistent closing force. A stud pin allows the installer to adjust closing speed to suit the application. No mortising is required, making installation straightforward on standard door frames.\u003c\/p\u003e\n\u003cp\u003eThis hinge suits residential and light commercial door installations where self-closing doors are needed. It is compatible with both right-hand and left-hand door swings, making it a versatile replacement or new-installation option. Each pack includes one pair of hinges with mounting screws included. Licensed contractors and experienced handymen typically handle installation as part of door hardware service or code-required self-closing door compliance work.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFull-surface mount design — no mortising required for installation\u003c\/li\u003e\n  \u003cli\u003eCompatible with right-hand and left-hand door swing configurations\u003c\/li\u003e\n  \u003cli\u003eAdjustable stud pin controls door closing speed\u003c\/li\u003e\n  \u003cli\u003eFully enclosed spring for durability and consistent closing force\u003c\/li\u003e\n  \u003cli\u003eSolid brass adjustable collar for secure spring tension setting\u003c\/li\u003e\n  \u003cli\u003eIncludes mounting screws — ready to install out of the pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a full-surface replacement or new-installation spring hinge for standard residential and light commercial interior doors. Fits both right-hand and left-hand door applications. Part of the V125 series product line.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a carpenter, door hardware technician, or qualified handyman using standard hand tools. Before beginning, ensure the door is secured in an open position and that no load is placed on the hinge during adjustment. Set the stud pin to the desired closing speed before final fastener tightening. Follow applicable local building codes for self-closing door requirements in commercial or fire-rated door assemblies.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: V125\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHinge Size\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cold-rolled steel with galvanized finish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCollar Material\u003c\/strong\u003e: Solid brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Full-surface (no mortising required)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoor Hand\u003c\/strong\u003e: Universal — right-hand and left-hand compatible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents\u003c\/strong\u003e: 1 pair of hinges with screws\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 2-Pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.05 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 00038613115101\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NATIONAL MARKER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N115105\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL MARKER","offers":[{"title":"Default Title","offer_id":51343119712562,"sku":"N115105","price":60.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310550034.jpg?v=1782017208","url":"https:\/\/voomisupply.com\/products\/national-marker-n115105-spring-door-hinge-3-in-2-pack","provider":"Voomi Supply","version":"1.0","type":"link"}