3″ wide (Actual: 4.114″ high x 3.032″ wide). Stamped galvanized Steel body. Steel shackle. Post key. “W.BOHANNAN CO MARION OHIO U.S.A.” is stamped on the obverse of the shackle. “PAT. APPL’D FOR” is stamped on the dust guard. The lock opens when turned in either direction. Catalog #: 10, first appears in catalog of 1930. (4.5).Patent # 1855327. More… This padlock requires further research