Door chain

A door chain is very useful when unwanted or uninvited visitors are at your front door. With a door ...

Bar lock

A so-called rod lock runs the entire height of a door. It is particularly well-suited for older door...

A “keyless-go system” ensures that a car can be opened very comfortably because, as the ...

In a list of valuables, one records which valuable objects are located in a residential property. Va...

The drop bolt lock (Fallriegelschloss) is the oldest known lock in human history. The lock contains ...

“Homejacking” is a particular form of luxury car theft. The perpetrators first break into the home o...

Among the most dangerous gases in our environment is carbon monoxide. This invisible, tasteless, and...

A key is an instrument used to unlock a lock. In most cases, this lock is a door lock. The key is in...

A lock is fundamentally a device used to mechanically secure, for example, a door. A lock makes it p...

A master key system is a locking system composed of not just one, but multiple different locking cyl...