Knob Sided Computer Key Cylinder Lock 6 Pin

Standard function: 1.   heat treated steel vertical  drill-resistant pins on both side of cylinder 2.  mushroom counter pins resistant to attack. 3.  6 rounded-head picking proof combination pins. 4.  owner key:  5 pcs 5.  owner card: as a indication of the key duplication and quality guarantee  optional function: 6.  service key system: 1pcs, once the owner's key be used, the  service key will be disabled. 7.  stiffening device: central breaking-proof, anti-snap, body reinforcement 8.   master key or key alike are available 9.  finish:  01-brass polished with varnish                   02-bright nickel plated                   03-satin nickel plated  l a b finish qty/box 60 30 30 01,02,03 6 65 30 35 01,02,03 6 70 30 40 01,02,03 6 70 35 35 01,02,03 6 75 30 45 01,02,03 6 75 35 40 01,02,03 6 80 30 50 01,02,03 6 80 35 45 01,02,03 6 80 40 40 01,02,03 6 85 35 50 01,02,03 6 85 40 45 01,02,03 6 90 30 60 01,02,03 6 90 40 50 01,02,03 6 90 45 45 01,02,03 6 100 40 60 01,02,03 6 100 50 50 01,02,03 6 110 50 60 01,02,03