This sprung-loaded large letter plate will blend with the traditional fittings of a period property and any of our other door furniture suites. With a fully weatherproof black finish this product will last for many years. Maximum door thickness: 74mm. Dimensions: Overall Size: 319mm x 110mm. Opening Size: 257mm x 45mm. Fixing Centres: 292mm. Letterplate Thickness: 5mm. Supplied with matching 80mm threaded bolts with dome headed caps. Our classic letterplates and covers are an attractive option for numerous door types. For more traditional doors, we offer a separate system in which the letterplate is fitted to the external face of the door, and a letterplate cover is fitted to the internal side to limit drafts. Combine with our matching Black door furniture to create a feature entrance. Our Black finish is a popular choice in traditional settings. Its subtle sheen offers a bold contrast on stained and painted timber alike. During the manufacturing process, our Black products are baked in a high-temperature oven, giving them durable, corrosion-resistant qualities.