The National Locksmith Guide Picking and Impressioning Book - Robert G. Sieveking - Locksmith Course Resource Display Board Insert Core

Insert Core

Chip: PCF7946

Housing Measures 1-3/4" [44

Door Prep 2-1/8" Backset Adjustable 2-3/8" or 2-3/4" Door Thickness 1-3/8" - 1-3/4" Doors standard Door Handing Reversible

Energy: 110mA

The National Locksmith Guide Picking and Impressioning Book - Robert G. Sieveking - Locksmith Course Resource Display Board Insert CoreThe National Locksmith Guide Picking and Impressioning Book This is an illustrated instruction in the arts of picking and impressioning. It is a short winded, profusely illustrated, and exhaustive manual of technique. Pin tumbler, wafer tumbler, lever tumbler, push key, warded, and tubular type locks are covered. Many specific methods of picking are defined and discussed, showing the tools and methods that work. Impression tools and specific methods