High-Security Mechanical Locks comprehensively surveys and explains the highly technical area of high security locks in a way that is accessible to a wide audie

This new second edition, many years in the making, provides the reader with the information that is needed to understand both traditional mechanisms as well as

Whether you want to learn lockpicking or locksmithing, or choose locks that are virtually impossible to defeat, this classic will meet your needs. The top refer

Compiled and written by two of the industry's leading educators on GSA approved security equipment. "GSA Container Identification" contains approximately 100 pa