▲Powerful magnet: Each pushpin is equipped with a neodymium magnet at the bottom, which is 5 times stronger than a black ceramic magnet. ▲Unique design: Ingeniously designed as a push pin, it can be easily grasped without pinching or puncturing the fingers. ▲Multi-purpose: It can be used on all magnetic surfaces, such as refrigerator magnets, office or classroom magnets, whiteboard magnets, notes, maps, calendars, photo dry erase boards. ▲Multiple pieces: A set of 2/6/10 strong magnetic push pins can meet your daily needs and improve your daily life and working environment. Note: Not suitable for glass whiteboard. specification: Product name: Metal strong magnetic thumbtack Material: Iron, iron and boron +A3 steel Product technology: nickel plating