Magnetisation Grade: N42M Material: Sintered Neodymium-Iron-Boron (Rare Earth NdFeB) Plating / Coating: Nickel (Ni-Cu-Ni) Magnet Shape: Block, Rectangular, Rectangle, Square Magnet Size: Total Length (L): 5 mm Total Width (W): 5 mm Total Thickness (T): 5 mm Magnetisation Direction: Axial Residual Magnetic Flux Density (Br): 1280-1320 mT (12.8-13.2 kGs) Energy Density (BH)max: 318-342 KJ/m³ (40-43 MGOe) Coercivity Force (Hcb): ≥ 955 kA/m ( ≥ 12.0 kOe) Intrinsic Coercivity Force (Hcj): ≥ 1114 kA/m ( ≥ 14 kOe) Maximum Operation Temperature: 100 °C Tolerance: ±0.05 mm