Wilson Bohannan Co. WB incorrectly used a #98 shackle instead of the #99 shackle. These shackles were interchangeable

3 1/4″ wide. (actual: 3.140″ wide x 4.215″ high x 1.198″ deep). Weight: 2 lb. 0 oz. Bronze body. Bronze shackle. Post key. Heavy 4 tumblers. Spring dust guard. Clevis and chain. Catalog #: 99, prison model, first appears in catalog of 1886.