*Discontinued* The National Locksmith Guide Tubular Lock Service Book – Robert G. Sieveking – Locksmith Course Resource

The National Locksmith Guide Tubular Lock Service BookThis is a complete study guide to service and making keys for tubular lock cylinders. The text covers picking, disassembly, decoding, destructive bypass, non-destructive bypass, and advanced key making. The text addresses the 137 keys using 7-pin and 8-pin configurations. Chicago UL cylinders are also covered. All common lock functions are addressed in great detail. The text covers key-changeable tubular cylinders by Fort and Ace. There are 256 photos, tables, and detailed illustrations that lead the locksmith to a complete understanding of the tubular lock.5 1/2 x 8 1/2 perfect bound, 208 pagesPlease Note: All sales of this item are final and non refundable