{"title":"Threshold Extensions","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eShop durable \u003cstrong\u003ethreshold extensions\u003c\/strong\u003e designed to extend existing door thresholds for a better fit and improved coverage. Ideal for replacement, repair, and installation projects, these extensions help bridge gaps and create a cleaner transition at the base of the door.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eKC Hardware offers threshold extensions in different sizes, materials, and profiles to match a variety of residential and commercial door applications. Browse our selection to find the right replacement part for your project and enjoy fast, free delivery.\u003c\/p\u003e","products":[{"product_id":"threshold-extender","title":"Aluminum Door Threshold Extension – 32\", 36\", 48\", 60\" \u0026 72\" Lengths | 3\/4\", 2\" \u0026 3\" Widths | Black or Silver","description":"\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eFull Product Description\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eUpgrade or extend an existing doorway threshold with a durable \u003cstrong\u003eAluminum Door Threshold Extension\u003c\/strong\u003e designed to provide additional width, better coverage, and a clean finished transition.\u003c\/p\u003e\n\u003cp\u003eAvailable in \u003cstrong\u003e32\", 36\", 48\", 60\", and 72\" lengths\u003c\/strong\u003e, this threshold extender gives you greater flexibility for different door openings and installation requirements. Choose from \u003cstrong\u003e3\/4\", 2\", or 3\" widths\u003c\/strong\u003e to match the amount of extension needed.\u003c\/p\u003e\n\u003cp\u003eFor the right finished look, the threshold extension is available in \u003cstrong\u003eBlack Anodized Finish\u003c\/strong\u003e or \u003cstrong\u003eSilver Aluminum Finish\u003c\/strong\u003e, making it easy to coordinate with your existing threshold, door frame, and surrounding hardware.\u003c\/p\u003e\n\u003cp\u003eBuilt from durable aluminum, this extension is suitable for both \u003cstrong\u003eresidential and commercial door applications\u003c\/strong\u003e and is designed for dependable everyday use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes \u0026amp; Finishes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLengths:\u003c\/strong\u003e 32\", 36\", 48\", 60\" and 72\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidths:\u003c\/strong\u003e 3\/4\", 2\" and 3\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinishes:\u003c\/strong\u003e Black Anodized and Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExtends Existing Door Thresholds\u003c\/strong\u003e\u003cbr\u003eDesigned to add extra width to an existing threshold, helping create a wider and more complete doorway transition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMultiple Length \u0026amp; Width Options\u003c\/strong\u003e\u003cbr\u003eWith five available lengths and three width choices, you can select the combination that best fits your doorway and project.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Aluminum Construction\u003c\/strong\u003e\u003cbr\u003eMade for dependable performance in residential and commercial applications while maintaining a clean, professional appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBlack or Silver Finish\u003c\/strong\u003e\u003cbr\u003eChoose Black Anodized for a modern darker appearance or Silver for a traditional aluminum finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClean, Low-Profile Design\u003c\/strong\u003e\u003cbr\u003eThe streamlined shape integrates neatly with the existing threshold without creating an oversized or bulky appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for Replacement \u0026amp; Retrofit Projects\u003c\/strong\u003e\u003cbr\u003eA practical solution when an existing threshold does not provide enough coverage or when additional extension is required during a door installation or renovation.\u003c\/p\u003e\n\u003ch3\u003eCTA\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eChoose Your Length, Width \u0026amp; Finish Above\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelect the \u003cstrong\u003elength\u003c\/strong\u003e, \u003cstrong\u003ewidth\u003c\/strong\u003e, and \u003cstrong\u003eBlack or Silver finish\u003c\/strong\u003e that fits your doorway, then add your threshold extension to the cart.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed help choosing the correct size? Contact KC Hardware — we’ll help you find the right threshold extension for your project.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eI would also keep \u003cstrong\u003e“Aluminum Door Threshold Extension”\u003c\/strong\u003e near the beginning of the Shopify title. That is much stronger for search than leading with individual sizes.\u003c\/p\u003e","brand":"KC Hardware","offers":[{"title":"32\" \/ 3\/4\" \/ Silver","offer_id":43181072875591,"sku":"ExS-32-75","price":42.0,"currency_code":"USD","in_stock":true},{"title":"32\" \/ 2\" \/ Silver","offer_id":43181072941127,"sku":"ExS-32-2","price":48.0,"currency_code":"USD","in_stock":true},{"title":"36\" \/ 3\/4\" \/ Silver","offer_id":42588252766279,"sku":"ExS-36-0.75","price":49.0,"currency_code":"USD","in_stock":true},{"title":"36\" \/ 3\/4\" \/ Black Anodized Finish","offer_id":42588295233607,"sku":"Newex2-B-3675","price":49.0,"currency_code":"USD","in_stock":true},{"title":"36\" \/ 2\" \/ Silver","offer_id":42588259156039,"sku":"ExS-36-2","price":55.0,"currency_code":"USD","in_stock":true},{"title":"36\" \/ 2\" \/ Black Anodized Finish","offer_id":42588295266375,"sku":"Newex2-B-362","price":55.0,"currency_code":"USD","in_stock":true},{"title":"36\" \/ 3\" \/ Black Anodized Finish","offer_id":42851696312391,"sku":"Newex2-S-363","price":60.0,"currency_code":"USD","in_stock":true},{"title":"48\" \/ 3\/4\" \/ Silver","offer_id":42588256174151,"sku":"ExS-48-0.75","price":56.0,"currency_code":"USD","in_stock":true},{"title":"48\" \/ 3\/4\" \/ Black Anodized Finish","offer_id":42588295299143,"sku":"Newex2-B-4875","price":56.0,"currency_code":"USD","in_stock":true},{"title":"48\" \/ 2\" \/ Silver","offer_id":42588259188807,"sku":"ExS-48-2","price":56.0,"currency_code":"USD","in_stock":true},{"title":"48\" \/ 2\" \/ Black Anodized Finish","offer_id":42588295331911,"sku":"Newex2-B-482","price":56.0,"currency_code":"USD","in_stock":true},{"title":"48\" \/ 3\" \/ Black Anodized Finish","offer_id":43081031548999,"sku":"Newex3-B-482","price":62.0,"currency_code":"USD","in_stock":true},{"title":"60\" \/ 2\" \/ Black Anodized Finish","offer_id":43181073137735,"sku":"ExB-60-2","price":65.0,"currency_code":"USD","in_stock":true},{"title":"60\" \/ 3\" \/ Black Anodized Finish","offer_id":43181073170503,"sku":"ExB-60-3","price":70.0,"currency_code":"USD","in_stock":true},{"title":"72\" \/ 2\" \/ Black Anodized Finish","offer_id":43181073301575,"sku":"ExB-72-2","price":80.0,"currency_code":"USD","in_stock":true},{"title":"72\" \/ 3\" \/ Black Anodized Finish","offer_id":43181073334343,"sku":"ExB-72-3","price":85.0,"currency_code":"USD","in_stock":true},{"title":"32\" \/ 3\/4\" \/ Black Anodized Finish","offer_id":43181207093319,"sku":"ExS-32-75-Balck","price":42.0,"currency_code":"USD","in_stock":true},{"title":"32\" \/ 2\" \/ Black Anodized Finish","offer_id":43181208404039,"sku":"ExS-32-2-Black","price":48.0,"currency_code":"USD","in_stock":true},{"title":"72\" \/ 3\/4\" \/ Black Anodized Finish","offer_id":43185993908295,"sku":"ExB-72-.75","price":70.0,"currency_code":"USD","in_stock":true},{"title":"72\" \/ 3\/4\" \/ Silver","offer_id":43185996267591,"sku":"ExS-72-.75","price":70.0,"currency_code":"USD","in_stock":true},{"title":"60\" \/ 3\/4\" \/ Black Anodized Finish","offer_id":43186024775751,"sku":"ExB-60-75","price":75.0,"currency_code":"USD","in_stock":true},{"title":"60\" \/ 3\/4\" \/ Silver","offer_id":43186026479687,"sku":"ExS-60-75","price":75.0,"currency_code":"USD","in_stock":true},{"title":"60\" \/ 2\" \/ Silver","offer_id":43186512625735,"sku":"ExS-60-2","price":65.0,"currency_code":"USD","in_stock":true},{"title":"72\" \/ 2\" \/ Silver","offer_id":43186516754503,"sku":"ExS-72-2","price":80.0,"currency_code":"USD","in_stock":true},{"title":"36\" \/ 3\" \/ Silver","offer_id":43186518097991,"sku":"Newex2-Silver-363","price":60.0,"currency_code":"USD","in_stock":true},{"title":"48\" \/ 3\" \/ Silver","offer_id":43186545721415,"sku":"Newex3-S-482","price":62.0,"currency_code":"USD","in_stock":true},{"title":"60\" \/ 3\" \/ Silver","offer_id":43186547916871,"sku":"ExS-60-3","price":70.0,"currency_code":"USD","in_stock":true},{"title":"72\" \/ 3\" \/ Silver","offer_id":43186549751879,"sku":"ExS-72-3","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7437\/5495\/files\/Extension-Silver-2-3.jpg?v=1789065063"},{"product_id":"aluminum-threshold-extender","title":"Aluminum Threshold Extension, Heavy-Duty Door Threshold Extender for Existing Threshold","description":"\u003cp data-start=\"139\" data-end=\"162\"\u003e\u003cstrong data-start=\"139\" data-end=\"162\"\u003eProduct Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"164\" data-end=\"475\"\u003eUpgrade or extend your existing door threshold with this heavy-duty aluminum threshold extension designed for durability, fit, and everyday use. This product is a practical solution for customers who need additional threshold coverage, replacement options, or a combo setup for repair and installation projects.\u003c\/p\u003e\n\u003cp data-start=\"477\" data-end=\"730\"\u003eThis product page includes multiple selectable options so customers can choose the configuration that fits their project best. Available choices may include \u003cstrong data-start=\"634\" data-end=\"646\"\u003eExtender\u003c\/strong\u003e, \u003cstrong data-start=\"648\" data-end=\"661\"\u003eThreshold\u003c\/strong\u003e, or \u003cstrong data-start=\"666\" data-end=\"675\"\u003eCombo\u003c\/strong\u003e, along with multiple \u003cstrong data-start=\"697\" data-end=\"707\"\u003elength\u003c\/strong\u003e and \u003cstrong data-start=\"712\" data-end=\"721\"\u003ewidth\u003c\/strong\u003e options.\u003c\/p\u003e\n\u003cp data-start=\"732\" data-end=\"744\"\u003e\u003cstrong data-start=\"732\" data-end=\"744\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"747\" data-end=\"779\"\u003eHeavy-duty aluminum construction\u003c\/li\u003e\n\u003cli data-start=\"782\" data-end=\"835\"\u003eDesigned for use with existing threshold applications\u003c\/li\u003e\n\u003cli data-start=\"838\" data-end=\"878\"\u003eMultiple configuration options available\u003c\/li\u003e\n\u003cli data-start=\"881\" data-end=\"918\"\u003eMultiple lengths and widths available\u003c\/li\u003e\n\u003cli data-start=\"921\" data-end=\"969\"\u003eGood for repair, replacement, or extension needs\u003c\/li\u003e\n\u003cli data-start=\"972\" data-end=\"1024\"\u003eClean, functional design for door threshold projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1026\" data-end=\"1047\"\u003e\u003cstrong data-start=\"1026\" data-end=\"1047\"\u003eAvailable Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1050\" data-end=\"1086\"\u003e\n\u003cstrong data-start=\"1050\" data-end=\"1059\"\u003eType:\u003c\/strong\u003e Extender, Threshold, Combo\u003c\/li\u003e\n\u003cli data-start=\"1089\" data-end=\"1115\"\u003e\n\u003cstrong data-start=\"1089\" data-end=\"1101\"\u003eLengths:\u003c\/strong\u003e 32\", 36\", 48\"\u003c\/li\u003e\n\u003cli data-start=\"1118\" data-end=\"1155\"\u003e\n\u003cstrong data-start=\"1118\" data-end=\"1129\"\u003eWidths:\u003c\/strong\u003e 5 5\/8\", 4 9\/16\", 3\/4\", 2\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1157\" data-end=\"1170\"\u003e\u003cstrong data-start=\"1157\" data-end=\"1170\"\u003eIdeal For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1173\" data-end=\"1203\"\u003eReplacing worn threshold parts\u003c\/li\u003e\n\u003cli data-start=\"1206\" data-end=\"1237\"\u003eExtending an existing threshold\u003c\/li\u003e\n\u003cli data-start=\"1240\" data-end=\"1275\"\u003eDoor bottom transition improvements\u003c\/li\u003e\n\u003cli data-start=\"1278\" data-end=\"1325\"\u003eResidential or light commercial repair projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1327\" data-end=\"1483\"\u003e\u003cstrong data-start=\"1327\" data-end=\"1354\"\u003eImportant Ordering Note\u003c\/strong\u003e\u003cbr\u003ePlease review all product images and carefully select the correct \u003cstrong data-start=\"1421\" data-end=\"1429\"\u003eType\u003c\/strong\u003e, \u003cstrong data-start=\"1431\" data-end=\"1441\"\u003eLength\u003c\/strong\u003e, and \u003cstrong data-start=\"1447\" data-end=\"1456\"\u003eWidth\u003c\/strong\u003e before placing your order.\u003c\/p\u003e","brand":"KC Hardware","offers":[{"title":"Threshold \/ Black 36\" \/ 5  5\/8","offer_id":42597593022535,"sku":"NewTH-36-5.","price":93.0,"currency_code":"USD","in_stock":true},{"title":"Threshold \/ Black 36\" \/ 4  9\/16","offer_id":42597593055303,"sku":"NewTH-36-4.","price":93.0,"currency_code":"USD","in_stock":true},{"title":"Threshold \/ Black 48\" \/ 5  5\/8","offer_id":42597593088071,"sku":"NewTH-48-5.","price":105.0,"currency_code":"USD","in_stock":true},{"title":"Threshold \/ Black 48\" \/ 4  9\/16","offer_id":42597593120839,"sku":"NewTH-48-4.","price":105.0,"currency_code":"USD","in_stock":true},{"title":"Threshold \/ Black 32\" \/ 5  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3\/4","offer_id":42597592956999,"sku":"ExS-48-0.75.","price":51.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Silver 48\" \/ 2”","offer_id":42597592989767,"sku":"ExS-48-2.","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 36\" \/ 3\"","offer_id":42851701882951,"sku":"Newex2-S-363 \/ KJ-FU03-XKV7","price":55.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 48\" \/ 3\"","offer_id":43087657041991,"sku":"Newex2-B-48-3","price":62.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 32\" \/ 3\/4","offer_id":49892214734919,"sku":"ON-RGBB-6V4M","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 32\" \/ 3\"","offer_id":49892254744647,"sku":"1U-82H4-4VNR","price":45.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 72\" \/ 2\"","offer_id":49892341186631,"sku":"RD-2V51-H7O7","price":85.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 36\" \/ 2\"","offer_id":49892360683591,"sku":"X8-GDMH-653E","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 36\" \/ 3\/4\"","offer_id":49892388503623,"sku":"D8-FT0Z-DKSW","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 72\" \/ 3\"","offer_id":49892417372231,"sku":"OC-1QV8-41CL","price":99.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 72\" \/ 3\/4\"","offer_id":49892472684615,"sku":"R9-99RJ-5H2Q","price":75.0,"currency_code":"USD","in_stock":true},{"title":"Extender \/ Black 32\" \/ 2\"","offer_id":49892502306887,"sku":"EQ-CVVJ-0RHV","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7437\/5495\/files\/Newex2-B-482__03.png?v=1773247531"},{"product_id":"adjustable-exterior-swing-door-threshold","title":"36\" Adjustable Exterior Swing Door Threshold 4-9\/16\" Aluminum – Mill or Black","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eUpgrade or replace a worn exterior doorway threshold with this \u003cstrong\u003e36-inch adjustable exterior door threshold\u003c\/strong\u003e, designed to provide a durable transition and dependable protection at residential and commercial exterior doors.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eConstructed from heavy-duty aluminum, this threshold measures \u003cstrong\u003e4-9\/16 inches wide and 36 inches long\u003c\/strong\u003e and features an adjustable design that helps accommodate varying door heights. It is available in \u003cstrong\u003eAluminum Mill\u003c\/strong\u003e and \u003cstrong\u003eBlack\u003c\/strong\u003e finishes, allowing you to select the option that best complements your doorway.\u003c\/p\u003e\n\u003ch3\u003eHeavy-Duty Aluminum Construction\u003c\/h3\u003e\n\u003cp\u003eBuilt for exterior applications, the aluminum construction provides strength and long-term durability while standing up to frequent foot traffic and changing outdoor conditions. The grooved threshold surface provides a clean, professional appearance suitable for replacement projects and new installations.\u003c\/p\u003e\n\u003ch3\u003eAdjustable Design for a Better Door Fit\u003c\/h3\u003e\n\u003cp\u003eThe adjustable configuration helps accommodate variations between the bottom of the door and threshold. This makes it easier to achieve proper contact at the doorway and improve the overall fit of the exterior door system.\u003c\/p\u003e\n\u003ch3\u003eBuilt-In Seal for Weather Protection\u003c\/h3\u003e\n\u003cp\u003eA built-in \u003cstrong\u003ePVC insert\u003c\/strong\u003e helps create a secure seal beneath the door. The design helps reduce drafts and provides additional protection against rain, wind, dust, debris, and insects.\u003c\/p\u003e\n\u003cp\u003eA properly fitted threshold can also help reduce unwanted air movement around the bottom of an exterior door, supporting better indoor comfort and energy efficiency.\u003c\/p\u003e\n\u003ch3\u003eResidential \u0026amp; Commercial Applications\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003eadjustable aluminum door threshold\u003c\/strong\u003e is suitable for a variety of exterior doorway applications, including homes, offices, rental properties, commercial buildings, workshops, and other locations requiring a durable exterior door sill.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 36 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 4-9\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heavy-duty aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Aluminum Mill or Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Adjustable exterior door threshold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Built-in PVC insert\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Exterior swing doors\u003c\/li\u003e\n\u003cli\u003eHelps block drafts, rain, wind, dust, debris, and insects\u003c\/li\u003e\n\u003cli\u003eSuitable for residential and commercial applications\u003c\/li\u003e\n\u003cli\u003eDesigned for durable, long-term exterior use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoose Your Finish and Upgrade Your Door\u003c\/h3\u003e\n\u003cp\u003eReplace a damaged or worn threshold with a strong, professional-looking solution built for everyday use. Select \u003cstrong\u003eAluminum Mill or Black\u003c\/strong\u003e, confirm your doorway dimensions, and order your \u003cstrong\u003e36\" adjustable exterior door threshold\u003c\/strong\u003e today.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChoose your color and add it to your cart today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"KC Hardware","offers":[{"title":"36\" \/ Silver","offer_id":43193143197767,"sku":"EXTH-36M","price":75.0,"currency_code":"USD","in_stock":true},{"title":"36\" \/ Black Anodized Finish","offer_id":43193143230535,"sku":"EXTH-36B","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7437\/5495\/files\/Swing-Threshold---EXTH-36B-01.jpg?v=1789152096"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/7437\/5495\/collections\/1_cb73416b-2589-47c4-910d-76ee7adf38d5.png?v=1787074028","url":"https:\/\/kchardware.com\/collections\/threshold-extensions.oembed","provider":"KC Hardware","version":"1.0","type":"link"}