Electronic Safe lock book

This new reference book contains over 400 pages of details relevant to Safe Engineers.
It teaches the reader how these locks work and how to defeat them as well as showing how to make the 'Valkyrie', a spiking tool used within the book.
Book owners are able to make or purchase the Valkyrie either in kit or assembled form. A pdf is also available for purchase to existing customers.
£250 plus vat