Features 1、3 LAYERS COATING: Our magnets feature three layers of nickel, copper and nickel plating to reduce corrosion and provide a smooth surface. 2、MAGNETIC STRENGTH: Our powerful magnetic magnet is made of neodymium, compact and lightweight, with strong suction force. 3、SUFFICIENT QUANTITY: There are a total of 12PCS magnets in the set, which can meet your long term use needs, and the use method is very simple. 4、DISC SHAPE: The mini magnets are designed with a disc magnet shape and have a machined silver steel finish for long life. 5、WIDE APPLICATION: Mini magnets can be used for fridge magnets, whiteboard magnets, advertising magnets, doors, cupboard ceilings and for hanging, holding and dragging. Specification Item Type: Neodymium Magnet Material: Neodymium Individual Size: Approx. 16 x 6mm / 0.63 x 0.24in Hole: M5 (Approx. 5mm / 0.2in) Package List 12 x Neodymium Magnet