Abstract: A parts box includes a box body and cover, where the box body has an hand tool parts accommodating space, and a rear side wall of the box body is provided with a positioning convex portion; the cover covers the box body, and is provided with an opening, an end side of the cover opposite to the opening is connected with a liftable closing element for closing or exposing the opening; a bottom end of a rear side of the cover is connected with a liftable hanging sheet provided with a hanging hole and at least one positioning hole, and the positioning hole corresponds to the positioning convex portion provided on the box body; a rear side of the cover is provided with a groove for the engagement of the hanging sheet with it, allowing the hanging hole to be positioned more highly than a top surface of the cover.

Abstract: Provided is an improved structure of a back clip of a tool box. The tool box induces a main body and a back clip. The main body has a back side in which two slide channels are formed. The back side of the main body is also provided with a spring plate. The back clip has opposite side edges each forming a wing section. The two wing sections are receivable and engageable with the slide channels of the back side of the main body for sliding in a vertical direction. The back clip includes a hanging hole and a retention slot formed therein. With such a structural arrangement, a tool box that is carryable and usable in a hung or attached form is provided.