This lock is used as an additional (second) on the door. Ideal for shops with glass doors. It is easily installed (passable) at the top of the door. With 2-speed safe type key. The locking tongue has two built-in steel pins, for protection against piercing

You do not need to drill a hole. The distance between the door and the fixed frame must be at least 4 - 5mm.
The package includes the lock, the face and 2 keys of safe type