Ours are neodymium strong magnets heavy duty, which are more magnetic than ferrite magnets, Three-layer electroplating makes the appearance of the small magnets for miniatures more durable, refrigerator Magnets size diameter 4 mm thickness 1.5 mm Multipurpose mini magnets can be used for refrigerator magnets, whiteboard magnets, advertising magnets and other purposes. Office magnets can also organize your tools, such as cosmetics, jewelry, ties, kitchens, offices. There are many ways to use small magnets strong Round disc magnet shape, machined silver steel finish. durable lasting shine,fridge magnet, whiteboard magnet, & dry erase board small strong magnets Widely used neodymium magnet in your daily life or work: crafting, photos, greeting cards displaying, even create magnet projects and more Our refrigerator magnetic won't ever let you down. If at all you are not satisfied with our rare earth magnets, please feel free to contact us and the same will be processed Multipurpose Mini magnets can be used for refrigerator magnets, whiteboard magnets, advertising magnets, door, cabinet ceiling and hanging, hold, drag other purposes.