Alum Extrusion drawer’s handle with cardboard and PVC strips to list contents of drawers.
Four pins on the four corners of middle chest fasten top chest prevent from moving.
12mm protective mat on the top of the chest. ...etc.
One piece steel of cabinet body provide more strength to whole one unit body structure.
Hemmed edge for all drawers and body to add strength and safety.
100 numbers internal locking system for extra security. ...etc.