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Anonymous users2024-01-24Due to the long time useless, dust, there can be, the quality is a little poor, so as a result, you can go to get some lubricating oil, if it still doesn't work, it is recommended to change the regular lock to a good point lock cylinder, we generally buy locks, are to (actually home, Li Wen lock city, etc.).
Copper, but now some manufacturers do not make copper lock cylinders, which look like copper from the outside. The weight is very light.
Where is it sticky? After the protective film is torn off? How is the problem of protective film glue sticky, you can use "adhesive remover" to remove.
Super B-level bar, the highest level standard, super B-level lock is the most secure level at present.
Whether it is open to the left, to the right, to the left, to the right can be used to open the lock cylinder, that is, the universal type, in fact, all the lock cylinders are also general-purpose, only a few are not, but the anti-theft door lock, and the indoor door lock is left and right inside and outside the door opening direction. >>>More
Take the lock cylinder screw hole as the center, extend to both sides of the screw hole, one side is long and the other is short, and the short end is generally divided into length.