Common Master Keying Book | The National Locksmith
Professional-grade reference covering master key system design, implementation, and servicing. Details key bitting calculations, cross-keying methods, and master key system architectures for commercial and institutional applications.
Includes practical examples for 5-pin, 6-pin, and 7-pin systems with step-by-step procedures for creating master key schedules and avoiding common vulnerabilities. Essential for commercial locksmiths. 184 pages, spiral bound.
Specifications
SKU#: LTR-MASTERKEY
weight: 0.88 lb
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Vendor: Locksmith Trainers
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