Super strong Rare-Earth magnets, once they get stuck with each other, they are hard to break apart.
Can also be used to extend protected lithium batteries with recessed contact points.
Electrically conductive (making them suitable to extend recessed batteries).
Neodymium magnets are usually coated Nickel-Copper-Nickel plating to prevent the iron from rusting.
Perfect for sticking notes on fridge doors.
Great for do-it-yourself projects.
Ages: 7+ ages, both for kids and adults.
Operating temperature：≤80°C .
Magnets Type: Neodymium.
Disc Size: 7mm x5mm.