D 8 x 5 mm
Material NdFeB Neodymium Shape Disc Size 8mm diameter x 5mm thickness   /- 0.1mm Grade N52 Operating Temperature ≤80℃ /176F Plating Triple plated (Nickel-Copper-Nickel) Magnetic Face Axially Magnetised Quantity  50-1000 Vertical Pull Force 2.56 kg against minimum 5mm steel plate