Y.” – Steel Shackle. 4 3/8″ high x 2 7/8″ wide. Brass body. Brass shackle. Brass dials. There are 12 clicks to each dial. To open lock: 1) Turn all dials to the right until they stop. 2) Turn each dial the correct number of clicks to the left. 3) Rotate the back panel to the left to release the shackle. 4) The 4 screws are now exposed to disassemble the lock.