{"title":"Heritage Brass Black Iron Square Snib \u0026 Release","description":"\u003cp\u003eThe Heritage Brass Black Iron Square Snib \u0026amp; Release is a coordinated architectural hardware accessory from M Marcus. Made from black iron with a Matt Black finish, it has a defined geometric shape suited to interiors using square-profile fittings and dark ironmongery. Its restrained appearance can complement both contemporary schemes and heritage-inspired settings.\u003c\/p\u003e\u003ch2\u003eSquare format and included components\u003c\/h2\u003e\u003cp\u003eThe square backplate measures 54 x 54mm, making the dimensions easy to compare with other fittings planned for the door. The set combines a thumbturn with an emergency release, providing the two corresponding operating components in one matching design.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplate:\u003c\/strong\u003e 54 x 54mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Matt Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox contents:\u003c\/strong\u003e one thumbturn and emergency release, one spindle, plus fixing screws and fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is a snib-and-release accessory rather than a lever door handle. Its square silhouette and consistent Matt Black colouring make it particularly relevant where coordinated black iron details are required. Before ordering, compare the backplate size and spindle arrangement with the intended door and associated hardware.\u003c\/p\u003e","products":[{"product_id":"mm-m-marcus-architectural-hardware-black-iron-square-snib-and-release","title":"M.Marcus Architectural Hardware - Black Iron Square Snib \u0026 Release","description":"\u003cp\u003eThe Black Iron Square Snib \u0026amp; Release is a square‑profile thumbturn and emergency release designed for use on doors. It provides a discreet, minimalist control where a thumbturn is required on one side and an emergency release on the other.\u003c\/p\u003e\u003cp\u003eFinished in Matt Black, the unit is supplied ready for installation with the spindle and all fixing screws and fasteners. The product has a square backplate measuring 54 × 54 mm (dimensions in mm) and is intended as a single accessory item rather than a complete lockset.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Black iron (as described in product identity)\u003c\/li\u003e\n\u003cli\u003eFinish: Matt Black\u003c\/li\u003e\n\u003cli\u003eSquare backplate: 54 × 54 mm\u003c\/li\u003e\n\u003cli\u003eSupplied with thumbturn and emergency release\u003c\/li\u003e\n\u003cli\u003eIncludes spindle and fixing screws and fasteners\u003c\/li\u003e\n\u003cli\u003eAll dimensions are in mm unless otherwise indicated\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eFinish: Matt Black\u003c\/li\u003e\u003c\/ul\u003e","brand":"M. Marcus","offers":[{"title":"Matt Black","offer_id":56194883518838,"sku":"MM-FB155","price":16.05,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/6062\/5014\/files\/FB155.jpg?v=1756747713"}],"url":"https:\/\/www.door2doorhandles.co.uk\/collections\/sibling-marcus-black-iron-square-snib-and-release.oembed","provider":"Door 2 Door Handles","version":"1.0","type":"link"}