Neodymium Magnets called one of the Rare Earth Magnet are strongest permanent magnets, which also called "Magnetic King". They are made from Neodymium (Nd), Iron (Fe) and Boron (B) material and plated in Ni+Cu+Ni for a shiny surface and good rust resistant finish. Size: 1.26"" Diameter x 0.12"" Height (32mm Diameter x 3mm Height) User Tips: They are fragile somehow but hard too since have powerful magnetic. Never crush the magnet each others but you know, they like to crush each other in nature, or you will have smaller magnet XD. In case the magnet is broken, try to clean it up carefully like broken glass. because they are very very tiny pieces and it can scratch to other metal if it does not clean completely. They don't affect my iPhone, the magnet does stick to the phone, but the phone work fine. I am not professional in this field, but I personally do not recommend stick it to the phone all the time. Widely Use: Refrigerator magnets Crafts, Hobbies, DIY projects Hanging tools, jars, signs Secure window or show curtains Hold car, RV or boat cover Science experiments You can search ""LIFEHACKS WITH MAGNETS"" on Youtube and you can see what magnet can do in daily life :)
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