Professional Locksmithing Lessons 17-20 Payment Plan Option has 4 lessons including:
Lesson 17....Keying Pin Tumbler Locks Alike
Lesson 18....Picking Pin Tumbler Locks
Lesson 19....Chicago Ace Lock
Lesson 20....Key-in-Knob Data
There is no shipping charge with this set of lessons because you use the supplies sent with Lessons 13-16.
