Due to the management function of standard dial combination lock, one padlock can be equipped with multiple keys; these keys are divided into multiple types due to different padlock functions and permissions. Let's follow FENGSHI to understand:
Unopenable key series: each safety padlock has a unique key, and the lock and the lock cannot be opened mutually;
Open key series: All the safety padlocks and safety padlocks in the designated group can be opened to each other, and any one or several keys can open all the padlocks in the group. Multiple groups can be specified, and the groups cannot be opened to each other;
brass padlock for sale different unlocking master key series: each safety padlock in the designated group is controlled by a unique key. The safety padlock and the safety padlock cannot be mutually opened, but there is a master key to open all the safety padlocks in the group; more customization is available The master key between groups and groups cannot be mutually opened, but a higher-level master key can be designated to open all padlocks in the group.
