Description ShapeDisc RoundSize4 5mmGradeN52MaterialNdFeBColorSilverQuantity20PCS NoteBe careful Fragile and chip handPlaced in a dry placestored at room temperature This is a seriously powerful magnet and it is totally unsuitable for children WARNINGWe would not recommend this magnet be used by children under 8 without supervisionPackage Include 20Neodymium Manget Discs
