Tool box

A tool box comprising:

• at least one body having a metal plate which has multiple sides, each side of the metal plate being bent to form a side wall, a space defined between the metal plate and the side walls, each corner of the metal plate having a notch so that the side walls each having a distal section located corresponding to the notch, each distal section having a first connection portion, and
• multiple connection members each having two wings extending from a bottom pate, the two wings being perpendicularly connected at two respective ends thereof, each wing having a slot and a second connection portion, the two distal sections of the two side walls being inserted into the two respective slots of the connection members, the bottom plate closing the notch, the first connection portion engaged with the second connection portion corresponding thereto.