Small Strong 10mm x 6mm x 2mm N52 Neodymium ring magnets rare earth 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.