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Anonymous users2024-01-24Both ends of the lock cylinder are independent and the same structure, which can be opened at both ends with a key, and the key is inserted outside, and it can also be opened inside.
Yes, the C-level marble anti-theft lock cylinder of Jixin is anti-technical to open, beautiful and practical.
Just change the lock cylinder.
The security door at home is plugged in with a key, and there is no conflict with the outside key, the outside can still be opened, you can try it yourself at home. It is not possible to open without any problems. >>>More
The anti-theft door is generally a lock cylinder that can only hold a key at the same time, you have a key inserted inside, and the outside must not be opened, now you can only find a way to pull out the key inside or knock it out, or find a lock company to open the door.
2) Use the key in your hand to push twice on the outside, if the key inside is horizontal, you can push it out, and then turn the key out. >>>More