A hand tool for dentistry and/or dental prosthetics, having a grip part which defines a main axis and, in the direction of the main axis, has a front end area and a read end area. The grip part has, in the front end area, an open receiving recess in which the collet element is arranged with an adjustable receiving diameter for receiving an object. The receiving diameter of the collet element can be modified by way of an actuating device. The collet element can be secured against rotation in the grip part.
