Small 5mm x 5mm x 1mm Neodymium block magnets N52 (10 - 50 pcs) craft fridge
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.