Tiny 2mm x 2mm x 1mm neodymium block magnets N52 50 - 1000 pc DIY Fridge Magnets
Samarium Cobalt. N52 is the highest grade which is widely and reliably available. Neodymium N52 - High Grade. Grade: N52. Neodymium Blocks. Neodymium Disks / Rods. Neodymium Cubes. Neodymium Rings.