To provide a multifunction pocket tool wherein a removable attachment, for example, a driver, is insertable and a maximum space for other tool remains.

A multifunction tool is a mulitpocket tool, such as a knife plier, having at least one retractable tool (4, 5, 6, and 7). A removable screw attachment, for example, Fillips attachment, a flat screw driver, a socket wrench, or a socket key or cork puller is vertically fixed to one side 2. It is preferable that attachment is attached by the hexagonal opening 10 of the one side 2 of the tool. The position of the opening 10 is selected in such a manner to disturb operation of other tools (4, 5, 6, and 7).