There is an anti-theft lock jack du (Kensington Lock) on the notebook. You need to buy an anti-theft lock chain, one end is inserted into the zhi, and the other end is fixed on a large, non-moving object. This is to prevent the notebook from being accidentally Mobile.Small Brass Key Locks Manufactur... read more
The editor understands that it is not so easy for Class B locks. In other words, the more complex the lock cylinder, the longer it takes to unlock. The security doors of most households on the market are Class B locks. Class B locks are currently a relatively high level of safety. From the key, they... read more
There are three levels of anti-theft door lock cores, as follows: The anti-theft door lock core level duA level lock core, with the technical opening time within 1 minute. The anti-theft door lock core level B lock core, with the technical opening time within 5 minutes. The anti-theft door lock core... read more
The ancient lock is a historical witness. In ancient times, intelligent humans had known to wrap their valuables in animal skins, bound them with ropes, and tied special knots at the final opening. The knot can only be pulled apart with a tool called "bone file". Knots and bone files are the prototy... read more
1. The operation is simple, similar to dialing of an old telephone. For single-axis operation, enter the password for half a revolution, and unlock for a half revolution. The operation time is short. 2. The amount of passwords is large, there are more than 3.25 million sets of actual passwords, and ... read more