{"product_id":"hager-3570-26d-wtn-classroom-cylindrical-lock","title":"Hager 3570 26D Wtn Classroom Cylindrical Lock","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HAGER 3570 26D WTN is a Grade 2 classroom cylindrical lockset designed for institutional and light commercial door hardware applications. It features a conventional cylinder, a Withnell lever with rose trim, and a satin chrome (26D) finish. The classroom function keeps the exterior lever locked by default, allowing egress from the interior at all times while restricting entry from outside unless unlocked by key. This lockset is installed by licensed locksmiths, general contractors, or door hardware specialists during new construction or retrofit projects.\u003c\/p\u003e\n\u003cp\u003eThis lockset is suited for classroom doors, office suites, and similar interior or vestibule door applications where controlled access is required. The classroom lock function is a common specification in K-12 educational facilities and institutional buildings where quick lockdown capability is a priority. The satin chrome finish coordinates with standard commercial hardware schedules.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade 2 cylindrical lockset construction for institutional and light commercial use\u003c\/li\u003e\n  \u003cli\u003eClassroom function: exterior lever locked by default, interior lever always allows egress\u003c\/li\u003e\n  \u003cli\u003eConventional cylinder accepts standard keyway for keying to existing systems\u003c\/li\u003e\n  \u003cli\u003eWithnell lever with rose trim in satin chrome (26D) finish\u003c\/li\u003e\n  \u003cli\u003eCylindrical (bored) installation suits standard door prep\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation cylindrical lockset for standard bored door preparations in residential, light commercial, and institutional settings.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified locksmith or door hardware technician familiar with cylindrical lockset bored door prep requirements. Verify door thickness and backset measurement before installation to ensure proper fit. All work should comply with applicable building codes including ADA accessibility requirements where mandated. Confirm door handing and lever orientation prior to final installation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Grade 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLock Type\u003c\/strong\u003e: Cylindrical (Bored)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e: Classroom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCylinder Type\u003c\/strong\u003e: Conventional\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLever Style\u003c\/strong\u003e: Withnell with Rose\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Satin Chrome (26D)\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: HAGER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 3570 26D WTN\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HAGER","offers":[{"title":"Default Title","offer_id":68635781136690,"sku":"3570 26D WTN","price":164.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5c810754544e0edd62084361021520a3.jpg?v=1794384681","url":"https:\/\/voomisupply.com\/products\/hager-3570-26d-wtn-classroom-cylindrical-lock","provider":"Voomi Supply","version":"1.0","type":"link"}