A large selection of mortice locks are included in this publication, with life sized photographs of the inside and outside of all the featured mortice locks. The range includes Chubb ERA Union Securefast to name a few. This book was compiled to make identifying and opening mortice locks easier. Detailed information in the book explains how and where to drill mortice locks so they can be opened with minimal effort and damage. The life sized photographs will help any novice locksmith to learn more about mortice locks.