Spencer 20Pcs 0.47 x 0.1 Inch Strong Neodymium Magnets Rare Earth Craft Disc Magnets N35 12mm x 3mm

Rare earth neodymium magnets, also known as NIB or NdFeB magnets, are comprised of a superior grade neodymium and plated with nickel alloy for long-lasting durability and protection against corrosion. Rare earth neodymium disc magnets suitable for many DIY projects, such as adsorption of various iron/steel parts, attaching LED lights to a metal surface, etc. You can use these heavy-duty round magnets in a wide variety of challenging applications where extreme strength and dependability are critical. But, be careful. These magnets can jump to anything metal or back together suddenly and with surprising force. Warning: This product is not suitable for children under the age of 3 due to small parts which can cause choking.