Tool for handling palatal expanders, including two opposed jaws adapted to clamp at least one body of a palatal expander, a handle, and actuation means adapted to move said jaws between a clamping position on said at least one body and respectively a release position, said jaws being bound elastically to one another and are normally spaced from each other, and said actuation means comprising a slider slidably mounted on the outer surfaces of the jaws, the slider being provided with a part adapted to interact with said outer surfaces so as to compress the jaws by pushing them toward each other when it is made to slide along a first direction and free them when it is made to slide along a second direction, said actuation means being adapted to firmly but reversibly lock the jaws in said clamping position.