100pcs N50 12x3mm Countersink Ring Magnets 4mm Hole Rare Earth Неодим Магнит

Описание:100pcs N50 Strong Countersunk Ring Magnets 12 x 3mm Hole 4mm Rare Earth Neodymium. Спецификация: shape : Round. Material : NdFeB magnetic materials. Product Size : 12*3mm. Диаметр отверстия: 4 мм Grade : N50Quantity : 100pcs. Ages:7+ ages, both for kids and adults. Функции: 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).Perfect for sticking notes on fridge doors. Great for do-it-yourself projects. В комплект поставки входят:100x Countersunk. Magnets. Подробнее: