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:80C .Magnets Type: Neodymium.Disc Size: 6mm x2mm.Rating: N35Magnet only, accessory is not includedNeodymium Magnets caution1. Related electronic products,such as bank cards,mobile phones,pacemakers,etc.they are easy dffected by NdFeBmagnet ,please maintain a certain distance,so as to avoid unnecessary losser2. NdFeB magnets are fragile,the characteristics are hard and brittle,especially large-size products,strips and thin slices,separate the magnet,please carefully shift staggered,must not break the hard pry,so as not to damage the product or injured,separated to maintain a certain distance,so as not to touch the collision,damage to the product,or even dangerous.3. NdFeB magnets surface coating protection,with a certain anti-rust corrosion resistance,but ifnot used in time,be sure to keep away from the high temperature and corrosive environmen4. NdFeB magnets will lose their magnetic properties if heated above 175F(80C).NdFeB magnet should never be burneSatisfaction Guarantee1. Our first priority is to provede you with an easy,pleasant,and anxiety-free shopping experience2. we try our best to give a clear,candid,and complete of our products and their conditions3. we are always ready to help if you have questions or encounter a problem ,but if for any reason you arenot satisfied with a product or service please do not hesitate to contact us4. It is very impottant to us that you have a positive & 5 star transaction with us.5. please contact us promptly before you leave us negative feedback.we weill try our best to resolve you problem.6. If I am not online,please leave your message,we will reply you once we log in.we reply every message except we have not get your message.