Made from high-quality cast iron for enhanced durability and security. Features a single lock head design for added safety. Easy to install with all necessary components included. Supports manual unlocking operation. Suitable for use in homes, offices, schools, hotels, factories, and warehouses.Features: - Color: As shown - Material: Cast iron and copper - Dimensions: 9 x 6.3 x 0.8 cm - Upgraded cast iron lock body with anti-corrosion surface treatment for long-lasting performance - Compatible with wooden, glass, metal, and fireproof doors - Designed for surface-mounted installation on interior doors - Includes antique-style skeleton key locking mechanism - Durable construction with black painted cast steel trim and brass-plated steel knobs and rosettes Packing list: 1 x Lock 1 x Key cylinder 1 x Lock beam 3 x Keys 1 x Installation accessories kit