5″ high x 3″ wide x 7/8″ deep. Brass body. Brass shackle. 12 brass buttons. “31” is stamped on the obverse of the shackle. “Doug Oestreich” is etched on the reverse of the body. “0805” is stamped on the reverse of the shackle. To open the lock press the correct 5 buttons, then press the panel on the side of the case and the shackle will pop up. August 2005. Only 1 of these locks were made.