Super Strong Neodymium Magnet N42 4 x 1/2 x 1/4" Permanent Magnet Block, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets: Amazon.com: Industrial & Scientific
Neodymium Disc Magnet 40x8 [mm] N42 - TopMagnesy
Block Neodymium Magnets N42 Epoxy Coated 8x8x3mm, 8pcs - Super Strong Neodymium Magnets Store Singapore
3/8 x 1/4 Inch Neodymium Rare Earth Disc Magnets N42 (24 Pack) for Sale | totalElement