D 7 x 5 mm
Material NdFeB Neodymium Shape Disc Size 7mm diameter x 5mm thickness   /- 0.1mm Grade N35 Operating Temperature ≤80℃ /176F Plating Triple plated (Nickel-Copper-Nickel) Magnetic Face Axially Magnetised Quantity  50-1000 Vertical Pull Force 1.5  kg against minimum 5mm steel plate