Safe Deposit Box Service can be a very profitable part of your locksmith business. Topics include the history of lever type locks, the various common locks that you will encounter, methods of opening and servicing, key making techniques, tools that you can purchase or make, and door repair methods. This type lock is found in hotel security boxes, safes, bank deposit boxes, and inner safe doors. The book covers the common and most profitable methods of opening and servicing this type of lock.

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