{"product_id":"brass-lock-and-two-keys-for-er-post-box","title":"Brass Lock \u0026 Two Keys | Replacement Lock for ER Post Box","description":"\u003cp\u003eA solid brass replacement lock supplied with two individually cut keys — a practical and handsome upgrade or replacement for your post box.\u003c\/p\u003e\u003cp\u003eOriginally used on our classic ER and GR tin-back post boxes, this lock is sold as a standalone fitting. Please note that fitting will require adjustment in most cases, including spacing with washers or drilling and tapping to suit your specific post box. We recommend checking all measurements carefully before purchasing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Key numbers are unique to each lock and are assigned at random from our stock — it is not possible to request a specific number. Keys will differ from those shown in images.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eDimensions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBrass back plate:\u003c\/strong\u003e approx 77mm × 37mm (3\" × 1.5\")\u003cbr\u003e\u003cstrong\u003eLock housing:\u003c\/strong\u003e approx 49mm × 37mm × 17mm (2\" × 1.5\")\u003cbr\u003e\u003cstrong\u003eFixing hole centres:\u003c\/strong\u003e approx 25mm and 63mm — please also check the housing depth above before ordering\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cem\u003eIf you are unsure whether this lock will fit your post box without modification, please measure carefully before purchasing. Some adaptation work will be required in most cases.\u003c\/em\u003e\u003c\/p\u003e","brand":"ELIZABETH AND STEVENS","offers":[{"title":"Default Title","offer_id":53235939541258,"sku":null,"price":38.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9584\/9482\/files\/Screenshot2026-06-19102011.png?v=1781861529","url":"https:\/\/www.elizabethandstevens.com\/products\/brass-lock-and-two-keys-for-er-post-box","provider":"ELIZABETH AND STEVENS","version":"1.0","type":"link"}