{"product_id":"morris-products-21800-steel-snap-in-blanks-1-2-use-to-close-off-unused-openings-in-boxes-and-panel-boards","title":"Morris Products 21800, Steel Snap-In Blanks 1\/2\", Use to Close Off Unused Openings in Boxes and Panel Boards","description":"\u003ch5\u003eSteel Snap-In Blank – 1\/2\" Knockout Closure (Morris 21800)\u003c\/h5\u003e\n\n\u003cp\u003eThis 1\/2\" steel snap-in blank is designed to \u003cstrong\u003eclose off unused knockout openings\u003c\/strong\u003e in metal electrical boxes, panelboards, and enclosures. It installs quickly with a snap-fit design—no screws, locknuts, or extra hardware—creating a clean, professional finish while helping protect the enclosure from dust and debris.\u003c\/p\u003e\n\n\u003ch6\u003eKey Features\u003c\/h6\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Closes unused 1\/2\" trade size knockout openings in boxes and panelboards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e All-steel construction for durability and installation integrity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Snap-fit retention clips for fast, secure installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Metallic steel finish suitable for standard electrical enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Commercial, industrial, and residential electrical work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eWhere It’s Commonly Used\u003c\/h6\u003e\n\u003cul\u003e\n  \u003cli\u003eJunction and outlet boxes\u003c\/li\u003e\n  \u003cli\u003eLoad centers and panelboards\u003c\/li\u003e\n  \u003cli\u003eMetal enclosures and cabinets\u003c\/li\u003e\n  \u003cli\u003eService equipment and control panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eHow It Works\u003c\/h6\u003e\n\u003cp\u003eAfter confirming the knockout is the correct \u003cstrong\u003e1\/2\" trade size\u003c\/strong\u003e, align the blank with the opening and press it into place until the spring tabs lock around the edge. Once installed, the knockout is safely closed for a neat, finished appearance.\u003c\/p\u003e\n\n\u003ch6\u003eQuick Notes\u003c\/h6\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrade size matters:\u003c\/strong\u003e Match the blank to the knockout’s trade size (1\/2\"), not the measured hole diameter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFor metal enclosures:\u003c\/strong\u003e Ideal for standard steel boxes and panels where unused openings must be properly closed.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Morris Products","offers":[{"title":"Default Title","offer_id":48037711970529,"sku":"Morris-21800","price":0.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0420\/5186\/2691\/files\/215089.jpg?v=1772469258","url":"https:\/\/brandnamelighting.com\/products\/morris-products-21800-steel-snap-in-blanks-1-2-use-to-close-off-unused-openings-in-boxes-and-panel-boards","provider":"Brand Name Lighting","version":"1.0","type":"link"}