Tiny 5mm x 2mm x 0.5mm thin Neodymium block magnets N52 (25 -100 pcs) craft
Samarium Cobalt. N52 is the highest grade which is currently widely and reliably available. Neodymium N52 - High Grade. Grade: N52. Neodymium Blocks. Neodymium Disks / Rods. Neodymium Cubes. Neodymium Rings.