5pcs N50 20mmx4mm Strong Round Countersunk Ring Magnets 5mm Hole Rare Earth Neodymium Magnets

Description 5pcs N50 20mmx4mm Strong Round Countersunk Ring Magnets 5mm Hole Rare Earth Neodymium MagnetsSpecification Shape Disc RoundMagnetic face 20mm x 4mm Dia Thickness Hole Dia 5mmPlating Ni Cu Ni Nickel Material NdFeBGrade N50Color SilverQuantity 5pcsFeatures 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 DIY projects Tip 1 Strong magnets should Keep away from Ironware and someeasily magnetized iron products such as monitors bank cards computers televisions mobile phones and other2 Strong magnets should be stored in a dry heated environment and need to use of plastic wood cardboard foam to separated and wrapped 3 Magnets might affect water meter electric meter gas meter and some metering equipment exist some inaccurate affect Such as if magnets placed nearthe meter the meter will slow down Package Included 1x Pack 5pcs Neodymium Magnets