Specification Brand : FamouSheen BulletPoint1 : 【Neodymium】- A neodymium magnet (also known as NdFeB, NIB or Neo magnet) is a permanent magnet made from an alloy of neodymium, iron, and boron with N35 grade. They are the most widely used type of rare-earth magnet. BulletPoint2 : 【Anti-corrosion】- Coated with Nickel-Copper-Nickel 3 layers metal, our NdFeB magnet has no rust when you put it in the air for a long time. BulletPoint3 : 【Multipul Use】- Rare earth magnets are widely used in products like microphones, professional loudspeakers, in-ear headphones, high-performance hobby DC electric motors, and computer hard disks and so on. BulletPoint4 : 【Warning】- Be careful with magnets because strong ones can hurt your fingers. When pulling apart big magnets, be sure to do it the right way. If you do it wrong, the magnets can get too strong and easily break. Also, be far away from pacemaker and children in case of harm. BulletPoint5 : 【Quality guarantee】- Welcome to contact us once you get wrong or bad magnets. We will be sure that all the information we provided for the products is correct. Color : Silver IncludedComponents : Magnets ItemName : Strong Neodymium Disc Magnets, 1/2" D x 3/16" H - 40 Pack, Powerful Rare Earth Magnets, Round Fridge Magnets,Small Refrigerator Magnet for Whiteboard, Locker, DIY Building Scientific ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : industrial-rare-earth-magnets Manufacturer : FamouSheen Material : Neodymium ModelNumber : FSD05H01875 NumberOfItems : 40 NumberOfPieces : 40 PartNumber : FSD05H01875 ProductDescription : Small disc neodymium magnets ProductSiteLaunchDate : 2024-11-05T03:37:47.035Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1