{"product_id":"keystone-steel-box-lintel-box-k-100-4200-x-215mm-high-kbx142","title":"Keystone Steel BOX Lintel BOX\/K-100 4200 x 215mm High KBX142","description":"\u003cp\u003eThis galvanised steel box lintel is intended for supporting masonry above wide-span door or window openings. Suitable for internal or external use, it accommodates wall widths from 100mm to 215mm and provides reliable load-bearing capacity on site.\u003c\/p\u003e\u003cp\u003eAt 4200mm long and 215mm high, the lintel is well-suited for larger-scale openings commonly found in both residential and light commercial builds. Pre-punched perforations along the lintel offer a plaster key for internal finishes, aiding straightforward integration into brick or blockwork projects.\u003c\/p\u003e","brand":"Keystone Lintels","offers":[{"title":"Default Title","offer_id":53107637616976,"sku":"U0007139","price":486.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/5417\/9408\/files\/e3dbf56892c5a41d69e38bf9b996f668.jpg?v=1780577627","url":"https:\/\/totalsite.supply\/products\/keystone-steel-box-lintel-box-k-100-4200-x-215mm-high-kbx142","provider":"Total Site Supply UK","version":"1.0","type":"link"}