2 1/4″ wide. (actual: 2.321″ wide x 2.946″ high x .628″ deep). Iron body. Iron shackle. Black japanned finish. Flat key. Double tab clevis and chain. Reinforced case posts. Flat shackle. This lock was offered in the following finishes: Galvanized and Black japanned. Catalog #: 531, first appears in catalog of 1890.