Buy a lock to see the teeth of the key

- Mar 04, 2019-

Buy a lock to see the "teeth" of the key

In general, the more teeth on the key, the deeper the teeth, the more complicated the arrangement, the more difficult it is to open, and the better the anti-theft performance. A class A lock cylinder with a simple single-sided single-row bullet slot can be opened in 1 minute with a low safety factor.