This is the Ed Willis book, volume 2 complete with 3 supplements converted to CD for easy access. Includes 128 drawings, 40 locks, and 31 key locks and 9 combo locks. Information on operation, changing combos or keys is included. 15 full color drawings also shown. Information included on, BERNADINI, BISCHOFF, CHUBB, FICHET, I.S.M., MAUER, TANN and more.