A fixture system comprising several parts, at least one of the parts being a holding part for holding a workpiece comprising ferromagnetic substances, said workpiece comprising a body with two ends and exhibiting along a rotary axis a symmetric shape with a radial dimension and with surfaces that can be treated by means of a plasma assisted vacuum treatment process, said holding part comprising magnetic means which generate a magnetic field with a magnetic force in the rotatory axis direction which is high enough for holding the workpiece if the workpiece is placed on a holding surface of the holding part in such a manner that one of its ends is in contact with the holding surface of the holding part, characterized in that: - the magnetic means of the holding part are designed and arranged in such a manner that magnetic field lines of the generated magnetic field are confined to the space occupied with parts of the fixture system or body of the workpiece, wherein the holding part comprises a fixture base and either a magnet yoke or a magnet link plate, wherein: - if comprising magnet yoke: o the magnet yoke comprising an opening, an outer diameter and an inner diameter, said magnet yoke being placed between a surface of the fixture base and the holding surface of the holding part in a manner that said opening is positioned in the opposite side to the fixture base, at least one magnet placed inside the magnet yoke in a manner that the at least one magnet is kept circumferentially at equal distance from the magnet yoke by an air gap or by a non-magnetic spacer, and - if comprising link plate: o the magnet link plate placed between a surface of the fixture base and the holding surface of the holding part, and at least one pair of magnets placed between the magnet link plate and the holding surface of the holding part in a manner that each magnet of said at least one pair of magnets is positioned next to each other with opposite polarities and forming an outer diameter, so that in case of using the fixture system for treatment of the workpiece by means of a plasma assisted vacuum treatment process, a generation of side plasmas caused by magnetic field lines of the generating magnetic field during the execution of the treatment is avoided. - the magnetic means of the holding part are designed and arranged in such a manner that magnetic field lines of the generated magnetic field are confined to the space occupied with parts of the fixture system or body of the workpiece, wherein the holding part comprises a fixture base and either a magnet yoke or a magnet link plate, wherein: - if comprising magnet yoke: o the magnet yoke comprising an opening, an outer diameter and an inner diameter, said magnet yoke being placed between a surface of the fixture base and the holding surface of the holding part in a manner that said opening is positioned in the opposite side to the fixture base, at least one magnet placed inside the magnet yoke in a manner that the at least one magnet is kept circumferentially at equal distance from the magnet yoke by an air gap or by a non-magnetic spacer, and o the magnet yoke comprising an opening, an outer diameter and an inner diameter, said magnet yoke being placed between a surface of the fixture base and the holding surface of the holding part in a manner that said opening is positioned in the opposite side to the fixture base, at least one magnet placed inside the magnet yoke in a manner that the at least one magnet is kept circumferentially at equal distance from the magnet yoke by an air gap or by a non-magnetic spacer, and - if comprising link plate: o the magnet link plate placed between a surface of the fixture base and the holding surface of the holding part, and at least one pair of magnets placed between the magnet link plate and the holding surface of the holding part in a manner that each magnet of said at least one pair of magnets is positioned next to each other with opposite polarities and forming an outer diameter, so that in case of using the fixture system for treatment of the workpiece by means of a plasma assisted vacuum treatment process, a generation of side plasmas caused by magnetic field lines of the generating magnetic field during the execution of the treatment is avoided. o the magnet link plate placed between a surface of the fixture base and the holding surface of the holding part, and at least one pair of magnets placed between the magnet link plate and the holding surface of the holding part in a manner that each magnet of said at least one pair of magnets is positioned next to each other with opposite polarities and forming an outer diameter,