{"product_id":"qipaklt-21-piece-thick-door-lock-extension-kit-adjustable-deadbolt-tailpiece-set-for-1-4-inch-doors-sc1-sc4-kw1-compatibility","title":"QIPAKLT 21-Piece Thick Door Lock Extension Kit – Adjustable Deadbolt Tailpiece Set for 1–4 Inch Doors | SC1 SC4 KW1 Compatibility","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe QIPAKLT 21-Piece Thick Door Lock Extension Kit is a practical retrofit option designed for deeper, oversized doors. Instead of replacing an entire lockset, this kit adds extendable tailpieces and compatible components to existing hardware, helping you restore smooth operation and proper alignment on challenging door assemblies.\u003c\/p\u003e\n\u003cp\u003eWith a focus on versatility and ease, the kit supports common residential configurations while enabling a straightforward upgrade path for doors that sit beyond standard depths. The result is a more confident latch and a quieter, more reliable door experience without the disruption of a full lock replacement.\u003c\/p\u003e\n\n\u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExtends deadbolt tailpieces for doors from 1 to 4 inches thick, addressing misalignment and binding concerns.\u003c\/li\u003e\n  \u003cli\u003eCompatible with SC1, SC4, and KW1 keyways, broadening options for existing homeowner hardware.\u003c\/li\u003e\n  \u003cli\u003eIncludes tailpiece extensions, tailpiece replacements, and extended screws to complete a retrofit without swapping the entire lockset.\u003c\/li\u003e\n  \u003cli\u003eFunctions as a thick door conversion kit for deadbolts, knobs, and handles on deep doors, offering installation flexibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how it helps\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe 21-piece set provides a range of tailpiece options and hardware to tailor fit for varying door thicknesses.\u003c\/li\u003e\n  \u003cli\u003eLong screws and modular components improve alignment with the strike plate, supporting smoother engagement and operation.\u003c\/li\u003e\n  \u003cli\u003eDesigned for thick doors, patio doors, and entry doors that require enhanced compatibility without a full hardware replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho might benefit\u003c\/h3\u003e\n\u003cp\u003eIdeal for homeowners, property managers, and renovation enthusiasts upgrading older doors or installing new entrances with deeper frames. It’s especially useful when existing hardware feels loose, stiff, or misaligned but you want to preserve your current lockset.\u003c\/p\u003e\n\n\u003ch3\u003eUsage notes and best practices\u003c\/h3\u003e\n\u003cp\u003eThis extension kit is meant to complement your current hardware. Verify your door thickness and keyway compatibility before installation. The kit provides adjustable tailpieces and screws to support a reliable retrofit without guarantees of specific results.\u003c\/p\u003e\n\n\u003ch3\u003eHow to assess fit (quick guide)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasure door thickness to confirm a 1–4 inch range.\u003c\/li\u003e\n  \u003cli\u003eCheck the current keyway (SC1, SC4, KW1) and ensure compatibility with the extensions.\u003c\/li\u003e\n  \u003cli\u003eTest the alignment between deadbolt, strike plate, and latch after installation to ensure smooth operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What doors is this kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Works on doors 1–4 inches thick and supports SC1, SC4, and KW1 keyways for flexible retrofits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to replace the whole lockset to use this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It provides tailpiece extensions, replacements, and screws to upgrade an existing deadbolt, knob, or handle on deep doors.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"QIPAKLT","offers":[{"title":"Default Title","offer_id":53094015762543,"sku":"B0GKXJYFK8","price":42.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/qipaklt-thick-door-extension-kit-packaged.jpg?v=1778784102","url":"https:\/\/taskholt.com\/products\/qipaklt-21-piece-thick-door-lock-extension-kit-adjustable-deadbolt-tailpiece-set-for-1-4-inch-doors-sc1-sc4-kw1-compatibility","provider":"TaskHolt","version":"1.0","type":"link"}