{"product_id":"25mm-square-tube-insert-black-fits-1-3mm-wall-end-cap","title":"25mm Square Tube Insert Black | Fits 1–3mm Wall | End Cap","description":"\u003cp\u003e\u003cspan\u003eA \u003cstrong\u003e25mm square black tube insert\u003c\/strong\u003e with a \u003cstrong\u003e1–3mm wall fit\u003c\/strong\u003e is the go‑to solution for anyone needing a secure, professional‑looking finish for metal box‑section, chair legs, fitness equipment, racking, or fabrication projects. Designed for durability and a tight friction‑fit, these inserts stop annoying floor scratches, reduce noise, and provide long‑lasting protection. Customers consistently praise the \u003cem\u003esnug fit\u003c\/em\u003e, \u003cem\u003eclean finish\u003c\/em\u003e, and \u003cem\u003eexcellent value\u003c\/em\u003e, making this one of the most reliable tube end caps available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered from high‑density ribbed polyethylene, this insert grips firmly inside 25mm box‑section steel or aluminium tubing. Whether you're replacing worn end caps, building furniture, or finishing a fabrication job, this insert delivers a clean, flush, professional result. Ideal for commercial, industrial, and DIY applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor related items, explore the \u003cspan role=\"button\" aria-disabled=\"true\" data-url=\"ca:\/\/s?q=show_square_tube_inserts_collection\" tabindex=\"-1\"\u003esquare tube inserts collection\u003c\/span\u003e or match with \u003cspan role=\"button\" aria-disabled=\"true\" data-url=\"ca:\/\/s?q=show_round_tube_inserts\" tabindex=\"-1\"\u003eround tube inserts\u003c\/span\u003e and \u003cspan role=\"button\" aria-disabled=\"true\" data-url=\"ca:\/\/s?q=show_rectangular_inserts\" tabindex=\"-1\"\u003erectangular inserts\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Electro South West Ltd","offers":[{"title":"Default Title","offer_id":55575098229112,"sku":"YY00000155","price":3.45,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/8658\/1049\/files\/TUBE.webp?v=1780566978","url":"https:\/\/www.electrosw.co.uk\/products\/25mm-square-tube-insert-black-fits-1-3mm-wall-end-cap","provider":"Electro South West Ltd","version":"1.0","type":"link"}