Amazon.com: Super Powerful Neodymium Disc Magnet Dia 1.5” x 3/8" NdFeB Rare Earth for Home, School & Business. DIY Projects, Hobby and Science Education, Magnetic Therapy and Bottle Opener Magnet - One
N42 Neodymium Disc Magnet - 35mm dia x 5mm thick - 30.64lbs Pull
Disc Magnets - Neodymium Magnets - SuperMagnetMan
Master Magnet 1/2 in. Dia Black Disc Magnet (10 per Pack) 96234 - The Home Depot