How much is this lock?

Class A lock core technology, which can be opened in 3 seconds. Developers are equipped with this lock core, and the cost ranges from 20 to 50.

Super B-class lock core, professional master can open it in 270 minutes, and the time is generally 10 to 30 minutes. This kind of lock core was generally replaced earlier in previous years, and it can be opened now. The fee is 100-200.

Class c lock core for more than 500 minutes. Professional experts can't open it technically, so they can only destroy it violently, and the handle should be damaged. In this case, it will be more troublesome, generally more than 500.

If you upgrade the lock core now, you still have to upgrade to class C. Super B has been eliminated. Class c lock core is better, such as gold point atom, diamond spike lock core and so on.

Handmade, typing a lot, giving points.