A hand guided machine tool which has a tool receiving device which is movable around an output shaft axis in an oscillating manner, wherein said tool receiving device is adapted to hold a tool device in such a manner on the machine tool that the output shaft axis and a tool device axis of rotation are substantially coincident, wherein the tool receiving device comprises at least one torque transmission region and a holding device, wherein the holding device is provided for holding the tool device during operation and is constructed in such a way that the forces which are exerted by the tool device on the machine tool in the direction of the machine tool and the forces which are exerted by the tool device in the direction away from the machine tool are reliably accepted, wherein, for transmitting a driving force to the tool device, said torque transmission region has at least two output area regions which are located at a distance from the output shaft axis, each of the at least two output area regions having a plurality of surface points, wherein tangent planes at said surface points are inclined with respect to an axial plane which includes said output shaft axis, wherein said tangent planes are inclined with respect to a radial plane which extends perpendicularly to said output shaft axis, wherein the angle α is included between one of these tangent planes and said radial plane, wherein said radial plane is oriented perpendicular to the output shaft axis, wherein the angle α is less than 75 degrees, wherein the torque transmission region has a machine tool cover area portion in which a recess, preferably a circular recess, is arranged, characterised in that a normal to one of these tangent planes is oriented in the radial direction towards the output shaft axis, wherein, in a cross-section orthogonal to the output shaft axis, the torque transmission region is constructed as a star-shaped polygon with rounded corners, wherein this polygon has twelve arms which are each offset by an angle of 30 degrees and which are each formed by two output area regions and a transition region, wherein, at the angular position of the arms, the smallest inner diameter of the torque transmission region is between 22 and 27 mm and the largest inner diameter of the torque transmission region is between 30 and 36 mm. wherein said tool receiving device is adapted to hold a tool device in such a manner on the machine tool that the output shaft axis and a tool device axis of rotation are substantially coincident, wherein the tool receiving device comprises at least one torque transmission region and a holding device, wherein the holding device is provided for holding the tool device during operation and is constructed in such a way that the forces which are exerted by the tool device on the machine tool in the direction of the machine tool and the forces which are exerted by the tool device in the direction away from the machine tool are reliably accepted, wherein, for transmitting a driving force to the tool device, said torque transmission region has at least two output area regions which are located at a distance from the output shaft axis, each of the at least two output area regions having a plurality of surface points, wherein tangent planes at said surface points are inclined with respect to an axial plane which includes said output shaft axis, wherein said tangent planes are inclined with respect to a radial plane which extends perpendicularly to said output shaft axis, wherein the angle α is included between one of these tangent planes and said radial plane, wherein said radial plane is oriented perpendicular to the output shaft axis, wherein the angle α is less than 75 degrees, wherein the torque transmission region has a machine tool cover area portion in which a recess, preferably a circular recess, is arranged, characterised in that a normal to one of these tangent planes is oriented in the radial direction towards the output shaft axis, wherein, in a cross-section orthogonal to the output shaft axis, the torque transmission region is constructed as a star-shaped polygon with rounded corners, wherein this polygon has twelve arms which are each offset by an angle of 30 degrees and which are each formed by two output area regions and a transition region, wherein, at the angular position of the arms, the smallest inner diameter of the torque transmission region is between 22 and 27 mm and the largest inner diameter of the torque transmission region is between 30 and 36 mm.