Material NdFeB Neodymium Shape Block Size 10mm x 10mm x 2mm /- 0.1mm Grade N35 Operating Temperature ≤80℃ /176F Plating Triple plated (Nickel-Copper-Nickel) Magnetic Face 10mm x10mm Quantity 5 – 1000 Vertical Pull Force 1.1 kg against minimum 5mm steel plate