Meco 5pcs N50 20x5mm Hole 5mm Countersunk Ring Magnets Round Rare Earth Neodymium Magnets

Description: 5pcs N50 20x5mm Hole 5mm Countersunk Ring Magnets Round Rare Earth Neodymium Magnets Specification: Shape: Disc Round Magnetic face: 20mm x 5mm (Dia. * Thickness ) Hole Dia. : 5mm Plating: Ni-Cu-Ni ( Nickel ) Material: NdFeB Grade:N50 Color: Silver Quantity: 5pcs Ages:7+ ages, both for kids and adults. Features: 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. Package Included: 5x Countersunk Magnets