Magnetic fasteners represent invaluable aids in grinding of small and thin components. Their design allows for using of a coolant, or submersing into a dielectric liquid. At the same time, there is a warranty of a long lifetime. Workpiece fixation area forms single, continuous units. These fasteners are very low and may also be positioned on another magnetic fasteners. Therefore, steel base height is such as no mutual influencing may take place in this case.