4 1/4″ high x 2 7/8″ wide x 11/16″ deep x 1/2″ shackle diameter (Actual: 4.230″ high x 2.853″ wide x .685″ deep x .480″ shackle diameter). Steel body. Steel shackle. 4 Levers and 1 ward. There is a hole going through the dust guard and the case to accept a wire seal. This is the earliest of the Hauschild seal locks. This style lock dates from 1872 and forward. There are only 2 known to exist.