Security Snake Groove Euro Profile Cylinder Lock was designed andmanufactured for largerquantitiesof code combination. It must by made by high quality material, high precision machine, most skillful workers. 1. Heat treated steel vertical drill-resistant pins on both side of cylinder 2. Mushroom counter pins resistant to attack. 3. 6rounded-head picking proof combination pins. 4.Specialdesigned combined pins for snake keyway. The combination of code up to3800, 000 5.Ownerkey: 5 pcs 6.Ownercard: As a indication of the key duplication and quality guarantee 7. Stiffening device: Centralbreaking-proof, anti-snap, body reinforcement 8.Servicekey system: 1pcs, Oncethe owner's key be used, the service key will be disabled. 9. Master key and Key alikeare available 10.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