The sliding force of a magnetic holder is typically lower than the adhesive force because it depends on the fraction of the magnetic field that interacts with the metal surface. In the case of UMP 97x40 [M8+M10] GW F300 Lina / N38 with a lifting capacity of ~380.00 kg, full capabilities are achieved with the upper holder, while the side attachment offers only 10%-25% of the declared force.