High Security AB Lock Core - 65mm & 70mm Pure Copper Padlock Cylinder with Anti-Theft Brass Key for Entrance Doors | Durable Single Row Marble Lock Mechanism (2-Pack) | Ideal for Home Security, Storage Units & Commercial Properties

All/pure copper AB lock core, security door AB lock core, single row marble lock core, pure copper lock coreFeature:Thumb turn cylinder - Key access from one side with a thumb turn for internal control 5 hardened pin lock for standard security.Instructions:Computer slot ABC Lock is a new slot mortise lock, it is mainly eleven director of security for the theme and design.1, C key is slotted spoon. A, C keys in addition to the owner, the other person can not be opened, in order to guarantee security to the owner. A key can be used before and after the failure of the insurance function.2, B keys can be provided to fitters use3, the installation is completed, after the owner of the acceptance, as long as the key into the lock cylinder C rotates 360 degrees. B keys shall automatically lapse, A, C keys can be used as usual.4, the owner should not try before using the C key to open.5, in the course of the cylinder must not add any oil, such as the case with keys, pulling a bad situation can add a little vinegar or pencil powder industry.A Key:2 PutB Key:5 PutC Key:1 PutSpecification:Material:BrassColor:GoldFit:>50mmThickness DoorPackage Include:1 x Brass Euro Profile Cylinder8 x KeysNote: The color of the item may vary slightly due to photography and your own computer.