Features STRONG MAGNETIC: Heavy duty neodymium magnet is more magnetic than ferrite magnet, three layer plating makes the magnet look smooth and bright, more durable DURABLE GLOSS: Disc magnet shape with machined silver steel finish, durable with long lasting gloss MULTI FUNCTION: Neodymium magnets can be used for refrigerator magnets, whiteboard magnets, advertising magnets, doors, cabinet ceilings and hanging, holding, dragging and more APPLICABLE SCENE: Office magnets can also organize your tools, such as cosmetics, jewelry, ties, kitchen, office, warehouse, garage, workshop WIDELY USED IN EVERYDAY LIFE OR WORK: Rare earth magnets can be used for crafting, photo, greeting card display, even creating DIY magnet projects and more Specification: Item Type: Neodymium Disc Magnets Material: Neodymium Single Size: Approx. 15 x 3mm / 0.59 x 0.12in Hole: M4(approx. 4mm / 0.16in) Package List:20 x Neodymium Disc Magnets Note:Please allow tiny size error due to manual measurement. Thanks for your understanding. Package List 20 x Neodymium Disc Magnets