50Pcs Neodymium Disc Magnets, 12mmx3mm Small Rare Earth Magnets Heavy Duty,Round Magnets Strong for Whiteboard, Strong Flat Magnets for Industrial, Round Magnets,Disc Magnets for Tool Storage 50Pcs Neodymium Disc Magnets, 12mmx3mm Small Rare Earth Magnets Heavy Duty,Round Magnets Strong for Whiteboard, Strong Flat Magnets for Industrial, Round Magnets,Disc Magnets for Tool Storage