In terms of door locks, they are divided into door locks, bedroom locks, channel locks, bathroom locks, etc; According to the shape, it is divided into ball lock, handle lock, plug-in lock, dead lock, etc.

We should choose copper core, but some of them are plastic, and only a layer of copper skin is wrapped at the head of the core.

Mortise locks are a specific type of lock set which are used in the commercial security industry and is used in applications which require adoor lock which is both heavy duty and high frequency.