$57.99 MASTER MAGNETICS 3/4 in. Neodymium Rare-Earth Magnet Discs (3 per Pack)-07091HD - The Home Depot
50pcs Diameter 4.9mm x 4.6mm N52 Magnet Rare Earth NdFeB Neodymium Permanent Magnet Very 
Rare Earth Magnet 1/4â³ x 1/4â³ | Canadian Gemmological Association
