F10x3x2mm-N45H Neodymium Block Magnets is made of Grade N45H NdFeB, nickel plated. The dimension is 10 x 3 x 2mm, thru thickness magnetized. Pull force is approximately 0.8kg. Small, thin, rectangle high-performance Neodymium (N45H) magnets. These magnets have a higher maximum operating temperature than regular grade Neodymium magnets.