Our product is made of plastic material.
It is a pull system.
To unlock, you must pull the latch towards you and turn the latch at the same time.
Each product will be sent in a closed box.
Mounting screws are available in the box.
Suitable for all PVC, Aluminum and Wooden windows.
PVC Pimapen Window Glass Balcony Door Safe Safety Lock Child Safety Latch Anthracite Gray (Plastic)