Double countersunk N42 Neodymium magnet 1-1/2 x 1/2" for #12 Screw. 2 Pieces | eBay
Buy Super Strong Neodymium Magnet N42 1 Cube Permanent Magnet Cube, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets Online in Hong Kong. B01M6964JY