The stackable tool box on sales tells you that small portable tool boxes are sometimes called suitcases or portable tool storage. The stackable tool box on sales tells you that most portable tool boxes have a handle on the top and a lid that opens on a hinge. Many toolboxes have a removable carrying tray that sits on a flange inside the edge of the box, with a larger compartment underneath.

A stackable tool box on sales tells you that a carry tray helps organize smaller parts and accessories. Portable tool boxes sometimes use slide-out trays or cantilever trays instead of removable carry-on trays. Metal tool boxes (usual steel) are heavier than plastic tool boxes. A plastic tool box full of tools weighs the same as a similar steel box empty.
The stackable tool box on sales tells you that metal boxes can also rust, and their sharp edges can leave marks on the surface of the object they are struck against. However, metal is known to be stronger than plastic, so one should balance its disadvantages.
Through the above introduction and analysis of the Stackable tool box on sales, hope it helps you.