N52 1mm dia x 1mm tiny round Neodymium disk magnets DIY MRO science SMALL PACKS
Samarium Cobalt. N52 is the highest grade which is currently widely and reliably available. Neodymium N52 - High Grade. Grade: N52. in NdFeB (Neodymium), SmCo (Samarium Cobalt), AlNiCo (Alcomax) and Ceramic.