1.347″ diameter x .441″ deep x 14″ chain. Some locks have a 31″ chain. Bronze body. Bronze chain. Over all nickel plated. “L41” key code is stamped on the obverse of the body. This lock actually has 3 levers as stated in the patent. Commemorates the 400th Anniversary of Columbus Discovering America. “The World’s Columbian Exposition” was the title of the 1893 Chicago Illinois World’s Fair.Patent #’s D22456 499832. More… This lock was offered with a plain finish and a nickel plated finish.