Payment #4 of8 Institutional Locksmithing Online Course (Professional Locksmith Lessons 25-32). It includes thelocks, keys, and supplies that come with the hands-on training for these lessons.

PROFESSIONAL LOCKSMITHING
Lesson 25 Impression Pin Tumbler Locks
Lesson 26 Understanding Interchangeable Core Locks
Lesson 27 Servicing and Rekeying the Best I-Core Lock
Lesson 28 Emhart Interlocking Pin Tumbler Cylinders
Lesson 29 The Profile Cylinder
Lesson 30 Key Bumping
Lesson 31 Dimple Cylinders and Keys
Lesson 32 Double-Bitted Cam Locks