20 x 10 x 2 mm
Material NdFeB Neodymium Shape Block Size 20mm x 10mm x 2mm /- 0.1mm Grade N52 Operating Temperature ≤80℃ /176F Plating Triple plated (Nickel-Copper-Nickel) Magnetic Face 20mm x 10mm Quantity  2 – 500 Vertical Pull Force 2.7 kg against minimum 5mm steel plate