The pin with magnet at the bottom ensures it tightly fixed on the platform. Application: PCB board assembly, soldering. PCB board is not included. Board Components. 6x Magnetic Pins. Help & Advice. Service & Help.
Very weak magnets which are not sufficient to hold a PCB.
If you smash out the old magnets and replace them with 12x2 mm neodymium disc magnets, squeezed in with a vice, it's perfect!