Description: "For the beginning and intermediate locksmith, this detailed manual explains how locks work, how to open them when the keys have gone missing, and how to mount locks, make master keys and much more. There are many different lock types, and many different tools used to open and service them. The book covers all of the major locks, showing with lots of illustrations how to carry out servicing, lock- out procedures, upgrades and replacements"--Publisher's description.
