“115” – Bronze – No “WB” – Reinforced Case Posts – Regular Bronze Shackle – Regular Dust Guard – Seal. 2 1/2″ wide. Bronze body. Bronze shackle. Post key. Spring dust guard. Clevis and chain. For Railroad cars and switches. There is a hole going through the case and the shackle to accept a wire seal. Catalog #: 115, first appears in catalog of 1886.