Meco 5pcs N50 Strong Round Countersunk Magnets 20x3mm Rare Earth Neodymium Magnets Hole 5mm

Description: 5pcs N50 Strong Round Countersunk Magnets 20x3mm Rare Earth Neodymium Magnets Hole 5mm Specification: Shape: Disc Dimension: Diameter 20mm x thickness 3mm hole 5mm Tolerance: +-0.1mm Material: Neodymium magnets Certification:RoHS passed Grade: N50 BR:14000-14500 GAUSS Hcj 12 KOe Hcb10.8 KOe BHmax: 48-51 MGOe Magnetization: Axially magnetized / Poles on Flat Ends 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. Warning: These magnets are very powerful which should be handled with great care.Do not allow children to play with them unsupervised as they could get injured.Especially pay attention to the samll magnets please place in somewhere children can't reach. Care should be used when handling two magnets as they can pull together with such force that pieces of the magnets can splinter off and cause injury. Keep the magnets away from pacemakers and magnetic storage devices such as mobile phones, bank cards and computers. Package Included: 5x Countersunk Magnets