Features 1、HEAVY DUTY: Our strong round neodymium magnet is heavy duty type and has strong magnetism, suitable for refrigerators, whiteboards, doors, cabinets, etc. 2、3 LAYER PLATING: Strong round neodymium magnet is with three layers of plating make the magnets appearance slick and bright, strong and corrosion resistance. 3、40PCS IN KIT: This round neodymium magnet kit contains 40pcs strong magnets and lightweight for you to carry them to anyplace. 4、GREAT DECORATION: Strong round neodymium magnet can be used as card display and production decoration, suitable for DIY and so on. 5、SUITABLE APPLICATION PLACES: Strong round neodymium magnet is great for office, school, home use, such as kitchen and warehouse. Specification Item Type: Round Neodymium Magnet With Hole Material: Neodymium Individual Product Size: Approx. 8 x 3mm / 0.31 x 0.12in Hole: M3(3 mm) Package List 40 x Magnet