10pcs Block Magnets 20x10x5mm Hole 4mm Rare Earth Neodymium N5 Magnetic Toys

10pcs Block Magnets 20x10x5mm Hole 4mm Rare Earth Neodymium N5Description Shape BlockMaterial Nd Fe BGrade N50Plating Ni Cu Ni Nickel Color SilverQuantity 10pcsSize 20 10 5mm Length Wide Hight Hole 4mmMax Temp degrees C 80Strong magnets should Keep away from Ironware and some easily magnetized iron products such as monitors bank cards computers televisions mobile phones and otherStrong magnets should be stored in a dry heated environment and need to use of plastic wood cardboard foam to separated and wrapped Magnets might affect water meter electric meter gas meter and some metering equipment exist some inaccurate affect Such as if magnets placed near the meter the meter will slow down Note Be careful fragile and clip hand placed in a dry place stored at room temperature WARNING We would not recommend this magnet be used by children under 8 without supervision Package Included 10Block Magnets