2 1/2″ wide. Bronze body. (actual: 2.484″ wide x 3.222″ high x .866″ deep). Bronze shackle. Post key. Waterproof. Extra heavy tumbler lock. For RR Cars and Switches. Clevis and chain. Spring dust guard. Catalog #: 89, first appears in catalog of 1886.Patent # 205171. We have not found a non-logo lock as yet.